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How Large Can a Bacteria get? Life & Size 3

Kurzgesagt – In a Nutshell
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In and out, in and out. Staying alive is about doing things. This very second, your cells are combusting glucose molecules with oxygen to make energy available, which keeps you alive for another precious moment. To get the oxygen to your cells you are breathing.
Breathing is an answer to a very hard problem: How do you get the resources that your cells need to survive, from the outside, to the inside of your cells? Every living thing has to solve this problem and the solution is surprisingly different depending on one of the most important regulators of life: Size.

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9 Nov 2020

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KOMMENTARE 11 421
Kurzgesagt – In a Nutshell
You want to learn more about science? Check out our sciency products on the kurzgesagt shop - all designed with love and produced with care. Getting something from the kurzgesagt shop is the best way to support us and to keep our videos free for everyone. ►► kgs.link/science (Worldwide Shipping Available)
Abiathar Z Hadnot [aka, Richardson Scott]
Life loves free things🤔🤨oh by the humanity of the dark soul😑😆.
Sherma Gustave
Sherma Gustave Vor Monat
Hmm
Gediminas Galdikas
Gediminas Galdikas Vor 4 Monate
@skratatata parapapapa jjnnnjnjjnm N mmnlnmpnnm mnnlololooloolololo
o k                  also i haev no pfp
10:56 birbs
Haakim Way
Haakim Way Vor 5 Monate
Do you have a app for the quest 2
Alex Lange
Alex Lange Vor year
this channel is more entertaining than netflix
DAK_1337
DAK_1337 Vor 2 Monate
@AngelHQ no because of cuties
Infrar
Infrar Vor 3 Monate
Well said
Gabe Miller
Gabe Miller Vor 4 Monate
DE-vid in general is better than Netflix
Gorillax
Gorillax Vor 4 Monate
@TipTwos reading nerd comments
What ?
What ? Vor 4 Monate
Not a high bar
Bunsenn
Bunsenn Vor 7 Monate
Kurzgesagt, the only show that can make bacteria look cute.
Jenny Choa
Jenny Choa Vor Tag
@Casey Grimm Welp I dropped it.
IsaBell YT
IsaBell YT Vor Monat
Also minuteearth lol their bacteria are cute too
Science Go
Science Go Vor Monat
@Avidan Bhujbal you want to say, evolution the change in heritable characteristics of biological populations over successive generations, IS FAKE?! Do an experiment then you shall see. Can't you see why many animals are changing it's all because of one thing and that thing is evolution (WHICH IS NOT FAKE !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!)
kentvonjovilacara
kentvonjovilacara Vor 2 Monate
@Lex Luo xd
Lex Luo
Lex Luo Vor 2 Monate
Lol 😀
Micah
Micah Vor 11 Monate
Whale-sized bacterium: "I feel empty..." Me too, squishy boi, me too.
Avidan Bhujbal
Avidan Bhujbal Vor 2 Monate
Evelution is fake :)
Squish Squash
Squish Squash Vor 3 Monate
Hello
Albert Pacella
Albert Pacella Vor 3 Monate
@Mohammed Mahathirpeed si siht dna 41 m’I
rowan wallace
rowan wallace Vor 4 Monate
@Joseph Mott if so i guess i'll die
MrSunKin
MrSunKin Vor 7 Monate
ive never been so proud of myself for breathing, my god im such a complex organism i'm impressed with myself
Ashik Jaman
Ashik Jaman Vor Monat
Just report the bot, don't respond to it
nachiket kulkarni
@Avidan Bhujbal Evolution is not fake , it failed. Failed to evolve you.
Gram-negative
Gram-negative Vor Monat
@Avidan Bhujbal You're perfect example of Dunning Kruger effect
Avidan Bhujbal
Avidan Bhujbal Vor 2 Monate
Evelution is fake :)
Flexxn Black
Flexxn Black Vor 2 Monate
turns out we're not small and insignificant, we're actually very large, just very well folded. Still insignificant though...
sapphyrus
sapphyrus Vor 11 Monate
It's mind-blowing that all life depends on something as simple as opening up your window and letting fresh air in and stale air out. Diffusion really is underrated.
Enccy
Enccy Vor 4 Monate
@Just a lone soul air goes through the mask
Kira Kira
Kira Kira Vor 4 Monate
@Just a lone soul what
SHRIIHAN Mukherjee
SHRIIHAN Mukherjee Vor 5 Monate
@Just a lone soul Not true but ok
Just a lone soul
Just a lone soul Vor 6 Monate
Wear your mask and forget everything about this video ;-)
DazzReviews
DazzReviews Vor year
If I had these kind of videos available as a kid, I swear I'd be waaay more into science early on!
IsaBell YT
IsaBell YT Vor Monat
Me as a kid: (off key btw) THERES HYDROGEN AND HELEUM AND LITHIUM BERELYUM-
aygecko
aygecko Vor 3 Monate
No.
Roger Muri
Roger Muri Vor 3 Monate
@Giorgi Iobidze no way! My son is 12 years old!!!!!
Roger Muri
Roger Muri Vor 3 Monate
@DODO MCGuy no you're not!!! you still have many years to live for!!!
Roger Muri
Roger Muri Vor 3 Monate
@Andrei Dante I feel the same with you!
SM69 Animations
SM69 Animations Vor 7 Monate
“Life loves free things” EA: I’m gonna stop you right there
DarthAdipose
DarthAdipose Vor Monat
EA is the harbinger of death
Manoj Ramesh
Manoj Ramesh Vor Monat
@Anonymous Approximation evolution is true because it is experimented physically.....u flat earther
Anonymous Approximation
@Manoj Ramesh Eeveelution _IS_ fake. Because that's how they spelled it, basically.
Manoj Ramesh
Manoj Ramesh Vor Monat
@Avidan Bhujbal nope...... evolution is true, real and happening
Avidan Bhujbal
Avidan Bhujbal Vor 2 Monate
Evelution is fake :)
Dev vy
Dev vy Vor 11 Monate
“Stay alive is about doing things” Me: Guess I’ll die
#YourIQDoesn'tMeanShitToMe
@Avidan Bhujbal Your knowledge is fake. :)
Avidan Bhujbal
Avidan Bhujbal Vor 2 Monate
Evelution is fake :)
Yuri DC
Yuri DC Vor 4 Monate
Seriously? AN argument about something you cannot confirm and just based on your personal opinion? I too don't care if i die anytime you got any problems with that?
#YourIQDoesn'tMeanShitToMe
@Jayden Montano It's funny how you think you actually know him/her.
Elisabeth sun
Elisabeth sun Vor 4 Monate
Pls don’t
Caleb
Caleb Vor 8 Monate
I know you’ll never see this but I would really love to see “evolution of life,” an illustration how the singecelled organisms evolved to be multicellular (like here), the struggles they’ve faced and extinction events, how sexual reproduction came about, why dinosaurs were so successful, how mammals took over. I think it would be really neat
Galfin SP
Galfin SP Vor Monat
Until they do, there’s another channel that does that in greater detail, under the idea of our world being a giant mmo: Tierzoo
DarthAdipose
DarthAdipose Vor Monat
There’s no fucking way they’d fit that into a 10 minute video
shreyas vattem
shreyas vattem Vor 2 Monate
same
Dorin
Dorin Vor 11 Monate
technically, you only have 2 to 3 minutes to live. but every time you breathe it resets the timer
Isaac Marks
Isaac Marks Vor Monat
@sir hmmdebatable Perfect reply 😅😅😅
iR80
iR80 Vor 4 Monate
@fruy you mean 24th
fruy
fruy Vor 4 Monate
@Dorin *24st?*
iR80
iR80 Vor 4 Monate
@Ramen sir this is chernobyl
Dorin
Dorin Vor 4 Monate
@ScienceGamer Sir this is the 24st floor.
MC874
MC874 Vor year
Thanks... I need to breathe manually now..
Average Anthem
Average Anthem Vor 5 Monate
Nyasar bang wkwkwk
Debopam Sil
Debopam Sil Vor 5 Monate
@Joel Vanwinkle yeah...the apneustic and the pneumotaxic centres
Debopam Sil
Debopam Sil Vor 5 Monate
@Joel Vanwinkle the pons too
Debopam Sil
Debopam Sil Vor 5 Monate
Ever heard of Ondine's curse? It's a condition where the autonomic drive for inspiration gets abolished and the person has to actually consciously breath, even while asleep(very very inconvenient)... anyway, normal people can also become aware of their breathing...the condition is called dyspnea. It happens whenever the dyspneic index falls below 0.7
тиретреск
BRUH U JUST HAD TO DO IT
Warrior Wolfy
Warrior Wolfy Vor 5 Monate
Kurzgesagt: "you're breathing" Me **suddenly aware of my breathing** "goddammit"
Avidan Bhujbal
Avidan Bhujbal Vor 2 Monate
Evelution is fake :)
Zachary Cohan
Zachary Cohan Vor 2 Monate
Me: *watching video peacefully* Warrior Wolfy: ""Kurzgesagt: "you're breathing" Me *suddenly aware of my breathing* "goddammit" "" Me: "goddammit"
Sloth
Sloth Vor 2 Monate
Try an Alan watts video. He constantly talks about breathing.
CalmCan'tAnimate
CalmCan'tAnimate Vor 4 Monate
NAH BRO YOU DID IT TO ME
B0rder.-
B0rder.- Vor 4 Monate
Imagine we had to constantly tell ourselves to breathe. It would be so hard to do anything
{[Insert name Here]}
Fun fact: if you were to take someone’s veins and put them in a single string, you would be arrested
no
no Vor Monat
@Avidan Bhujbal no
Omega Otaku
Omega Otaku Vor Monat
they had us in the fist half
Avidan Bhujbal
Avidan Bhujbal Vor 2 Monate
Evelution is fake :)
LaserAnts
LaserAnts Vor 2 Monate
@The Socially Awkward Falcon, Except Sad no way
Flexxn Black
Flexxn Black Vor 2 Monate
@shrek yes
Monkaround
Monkaround Vor 11 Monate
Cell: Enjoying ATP First cell: back in my day...
Nathan John Palao Gaming
juan died to sebastian [NOT CLICKEBAIT]
Julia Lungan
Julia Lungan Vor 2 Monate
@fruy have a look around
Irene Lastnamegoeshere
Beep boop.
fruy
fruy Vor 4 Monate
@cxhypxv welcome to the internet
cxhypxv
cxhypxv Vor 4 Monate
wtf happened to this reply thread
whoozl
whoozl Vor 5 Monate
Great video as always! However, let me actually answer the question in the title "How Large Can a Bacteria get?". In 1999 a non-phototrophic sulphur oxidazing Bacterium called 'Thiomargarita namibiensis', which translates into 'Sulphur pearl of Namibia' was found off the coast of Namibia. The Bacterium was measured up to 0.75 mm in size, which is large enough to easily see by the naked eye! Isn't this amazing?!
Jesse the genius
Jesse the genius Vor 5 Monate
yes!
Professor Dave Explains
The singular form of bacteria is bacterium.
blendernations (dead channel)
@Finalist Burrito and the singular form of idiot is idiotium
M CD
M CD Vor year
@Noah Ward Surely the problem with diarrhoea is that there is no singular? Just plural and lots of it.
Digz the Swag King
I like Turtles
Thanga Meenakshi
@M Abd I thought it was mitochondrion
Kah Yau Lim
Kah Yau Lim Vor year
The plural form of aluminium is alumni
the menace
the menace Vor 11 Monate
*Fun fact :* the length of all your vessels added up together is around 100k kilometers while earth circumference is only 40k kilometers , meaning that u can wrap your vessels around earth 2 times and a half !!
Andrey Krasnokutsky
Andrey Krasnokutsky Vor 4 Monate
You can, but you won't.
VK 16.02
VK 16.02 Vor 4 Monate
@Randy19 well use a death row inmate. While the execution is that. And you must be liked in parties for ruining small jokes like that.
Cosetta Pessa
Cosetta Pessa Vor 4 Monate
@Randy19 annoying
Randy19
Randy19 Vor 4 Monate
@VK 16.02 He's serious and he's right. The question was "How many humans does it take to wrap the earth in blood vessels" and the answer "Just you" is demonstrably wrong. You can't do it yourself. Your solution: Use a dead person. But then you need a minimum of two people, one dead person to use the blood vessels of and one to do the wrapping. So one person is wrong either way.
ALAN
ALAN Vor 5 Monate
*Mr beast- today I'm gonna gonna wrap this guy's blood vessels alll over the earth!!!!!* Meanwhile that dude - ._.
kkjacobs 18
kkjacobs 18 Vor 6 Monate
As a Ph.D student studying microbiology, thank you for making cute animated bacteria. Might I suggest that you all do a video on giant viruses and virophages? They’re a relatively new discovery/concept but really interesting! Basically viruses infecting other viruses!!
blendernations (dead channel)
Your request has been answered
JustRetartedXD
JustRetartedXD Vor 6 Monate
I like how this video explains easier than my teacher notes on diffusion
Mailing Account
Mailing Account Vor 4 Monate
I want to compliment your editing and writing ✍️, you give a helpful introduction to your topic, and you actually answer the question we clicked on the video about. Great Quality!
SILVER SPADES
SILVER SPADES Vor year
Why is this channel so damn fascinating? This is how school should be
Dominant Domination
Dominant Domination Vor 4 Monate
@Emjay Writes Its pretty important too know how breathing works though it can save your life.
Dominant Domination
Dominant Domination Vor 4 Monate
@Marco Soto Visuals are a very important part of learning idiot the comment was about the explanation and visuals its not about it being cute and with alot of effort its about simple drawn visuals which would help way more than just reading.
Dominant Domination
Dominant Domination Vor 4 Monate
@Cassandra I mean if you cant be passionate while doing that you shouldnt be a teacher.
Elisabeth sun
Elisabeth sun Vor 4 Monate
Yes
leo recreated
leo recreated Vor 5 Monate
@つಠ-ಠつ yup
Samanvaya Srivastava
This channel is amazing in explaining complex concepts in a easy way I love watching all your videos. Congratulations for such excellent work.
HelloThere3441
HelloThere3441 Vor 11 Monate
Just finished learning about this stuff in my biology class and it’s nice to finally understand the fancy stuff this guy says
Tank Evans
Tank Evans Vor 8 Monate
I love the detail where he says "when you breathe in" and then proceeds to breathe in quickly before continuing his sentence. You only include that together with the splendid topics, research and animation if you're extremely dedicated!
Thanos Kyritsis
Thanos Kyritsis Vor 11 Monate
Very interesting video! As a linguist, the interchange between bacterium/bacteria for the singular form is driving me nuts though xD
Ultimate Gamer
"Staying alive is about doing things." I always thought I was dead. Now I'm certain.
Cobra Mk III
Cobra Mk III Vor Monat
And he’s a true gamer
NitWitty
NitWitty Vor 7 Monate
I see what you did there, fellow danganronpa fan
tristanrod tancontian
People in a coma :
Ultimate Gamer
Ultimate Gamer Vor 7 Monate
@Sheep Ketchup When people say their opinion in the exact same manner for the billionth time then yes, I think it's very overused. Don't agree with what I just said? Welp...that's just like your opinion, man. You have yours and I have mine.
Miracle Ch.
Miracle Ch. Vor 7 Monate
oof, try getting a hobby
Author Pedro Cristobal
I feel I’m learning a lot with this video. This is how great teaching is done! 👍
Mike Lynam
Mike Lynam Vor 10 Monate
Watching this channel and taking short tests should seriously give you a low-key degree in science! It covers nearly everything I learned in my undergrad in such an informative and memorable way.
Gumarks
Gumarks Vor 10 Monate
Really interesting and educational as always, amazing work!
Muthu Kumaran Lekshmanan
Thank you so much to the team that put together this awesomely infotaining piece!!
Julio R.
Julio R. Vor year
Manual breathing activated: The video.
Cam Shaw
Cam Shaw Vor 27 Tage
Didn't have this problem until I saw this at the top of the comments
tatiana promosinova
Get some blood sells moving
fruy
fruy Vor 4 Monate
i just got my breathing back on easy mode and then I saw this comment and it went back to manual
Ice Wing
Ice Wing Vor year
@Thomas Chen once again, politely, "screw you as well"
Ice Wing
Ice Wing Vor year
i legit didnt notice until i scrolled into the comments and saw people talking about it, so, i have to politely say, "screw you"
Inting Ido
Inting Ido Vor 6 Monate
The sugar desolving animation kinda hurt my feelings as somone who had chemistry but it was still great. I love the amount of energy you put into your illustration!
MegaFrobinson
MegaFrobinson Vor 11 Monate
Really good video! How big could a cell get in an oxygen rich atmosphere? Or is there some other issues that would hinder growth?
Jesse the genius
Jesse the genius Vor 5 Monate
oxygen is poisonous in large quantaties
Merlin Quark
Merlin Quark Vor Monat
It's amazing how life just "decides" to do these really smart things.
DarthAdipose
DarthAdipose Vor Monat
It doesn’t decide anything. This all happens automatically.
Suburp212
Suburp212 Vor 21 Tag
This is explaining biology in 10 minutes in a way everyone remembers. Despite my years of biology in school I didn't learn neatly as much
topquark22
topquark22 Vor 5 Monate
I watch these videos not to learn the science (that I already know,) but to understand the pedagogy. How to teach it to children. These videos are pretty slick, more appealing than what we got in the 1970s school documentaries. PS: "Kurzgesagt" in German means "concisely said," and this channel certainly accomplishes that. Gut gemacht.
Raevn One
Raevn One Vor 8 Monate
Wow. This was amazingly informative. Well done 👏
The Official ARNL
The Official ARNL Vor 10 Monate
The fact that everything is animated is especially helpful as I have arachnophobia so I don’t mind the spiders as much
Mykel Duso
Mykel Duso Vor 7 Monate
Considering the square cube law and how long a blue whale can hold it's breath, how big must those lungs be? Is the whale using oxygen at an incredibly slow rate? If so how does it power all those huge muscles? I think another video is in order.
thisisntsergio
When he said "breathing is an answer to a very hard problem" I felt that.
NuggetOG
NuggetOG Vor 11 Monate
@thisisntsergio yes
thisisntsergio
thisisntsergio Vor 11 Monate
@NuggetOG 140iq
NuggetOG
NuggetOG Vor year
@Squirrel Hallowino truly the largest of brains
Squirrel Hallowino
yea we gotta stop breathing so earth won't heat up anymore
lHarryl
lHarryl Vor year
@NuggetOG yes
Zachvinco Zavin
Zachvinco Zavin Vor 5 Monate
I really enjoyed your videos and I like science too, please continue making awesome videos
Ksawier Sawa
Ksawier Sawa Vor 6 Monate
I'm studying biology in highschool and it was fun to understand everything in this video and remember the things I had learned in these couple of years. Love your channel ❤️
Raptorzilla
Raptorzilla Vor 4 Monate
AMOGUS
Waffle
Waffle Vor 11 Monate
I wish you had a game those animations are so fun they make me feel energetic, your size app is really fun btw!
muthukumaranl
muthukumaranl Vor 6 Monate
This is pure gold! Thank you so much guys!!
Dr Bright
Dr Bright Vor year
These are the happiest single-celled organisms I’ve ever seen.
Dr.Plasma
Dr.Plasma Vor year
Happy Non-anomalous Single Celled
O5- •
O5- • Vor year
Bright.....why are you on youtube?
bird
bird Vor year
Hey another me, Nice.
Martha The Clown
Can i interest you a prototype of a Mini-Nuke launcher i made?
jinx86
jinx86 Vor year
Some happy ameba
Kyle Green
Kyle Green Vor 4 Monate
I’ve done a lot of reading and listening to podcasts on evolution vs intelligent design. Any chance Kurzgesagt can do a video or series on that??
Veyron Darren
Veyron Darren Vor 7 Monate
This video told me tiny thing about the lungs, but what it told cleared up all the doubts that I had untill now. Thanks
Sinan Cengiz
Sinan Cengiz Vor 6 Monate
this video made me realize how the first self-aware cell came into being and i am very grateful for that.never thought of it like that and thats the most sensible explanation i've ever heard.
ActionAlligator
ActionAlligator Vor 5 Monate
this video has nothing to do with self-awareness and cells aren't self-aware so what are you talking about
KEK W
KEK W Vor 8 Monate
I love how he breathed in when he said "when you breathe in" i love this guy,Man is DEDICATED TO DA JOB
Leon :D
Leon :D Vor year
Let's be honest: we all really wanted a part 3 and just as we finally forgot about it Kurzgesagt uploaded this
Leon :D
Leon :D Vor year
@caslaBBalsac True...
caslaBBalsac
caslaBBalsac Vor year
@Jan_hruska TV Same, it's why I downvoted the video. Instead it's more or less a rehash of a previous video talking about cells, and how we're made of them.
caslaBBalsac
caslaBBalsac Vor year
@It’s Me, Al! I MIGHT have hated it less if it had a less misleading title. The title makes it sound like it's about prokaryotic life and how far it can evolve, which would have been a FAR MORE INTERESTING subject than what what actually discussed (we're like, made of cells, LOL)
Haekal Achmad
Haekal Achmad Vor year
@LordCom 17 damnn
Dmr Ikhsan
Dmr Ikhsan Vor year
@Jan_hruska TV what video
Mr. Person
Mr. Person Vor 10 Monate
This dude's voice is honestly so nice to listen to
Yisus Shorts
Yisus Shorts Vor 11 Monate
When he talked about out lungs, i touched my chest feeling weird but happy at the same time. I also paid attention to my breathing.
Jitaksh Kachhawah
Jitaksh Kachhawah Vor 11 Monate
This channel is so interesting and full of science stuff I love to watch it , though I don't understand anything
Benjamin Jancewicz
Benjamin Jancewicz Vor 10 Monate
This video taught me more about biology than all my biology courses in high school and college.
EfikZara
EfikZara Vor year
Can we make kids watch these in schools?? What a beautiful way to impart some serious knowledge ❤️
Bradley Williams
My science teacher used his little immune system video a few years back.
Christien de Vries
I use them frequently in my biology lessons!
Toca Bunny!
Toca Bunny! Vor 5 Monate
I learn like a trillion new things each video! Thankyou! ❤️
Glandolin
Glandolin Vor 6 Monate
Why have I learned more about biology from this one video than the entire school system ever taught me?
Hadrien Brissaud
Hadrien Brissaud Vor 4 Monate
"Life loves free things" it's a nice saying but I was thinking, it would be nice to have an episode dedicated to explaining this phenomenon : what "free stuff" is? and what advantages does it grant during the process of natural selection?
fruy
fruy Vor 4 Monate
what free stuff is is in the name, it's stuff that is free, free stuff, and the advantage is that it's free
Daddyimscared
Daddyimscared Vor Monat
the largest single cell bacteria I've seen was actually human sized! we dated for about seven months
Kariyu
Kariyu Vor year
Imagine a collab between Kurzgesagt and bill wurtz 😳
fruy
fruy Vor 4 Monate
maybe add vsauce in there too
Hotrods Garage
Hotrods Garage Vor 4 Monate
tHiS Is A bLaCk hOLeeeeee
Dusk
Dusk Vor 6 Monate
@William Koch thats the point
Epaulet Shark
Epaulet Shark Vor 11 Monate
You could make a rel- No. Don't.
Hi
Hi Vor year
like my name?
Mi NX
Mi NX Vor 4 Monate
There *are* a few unusually large single-celled organisms out there. To my knowledge, all of the largest are plants, which means that they're not as reliant on diffusion as bacteria. Still, it's more important for them than for a multicellular organism. They can produce their own energy, but they still have to get the resources for that inside their enormous cell body (along with other nutrients that they need to build their components) and to get waste products out. The way that they function is illustrative of the point this video makes. Most are "huge" only in relative terms, like bubble algae. They can be seen and could presumably be meaningfully handled, although I feel like they'd probably be too delicate to handle very much or roughly. Any issues they have with surface area vs. volume are probably minor enough to solve with "clever" energy use and proteins to facilitate diffusion. Things get really interesting, though, with the largest ones. Marine plants in the genus Caulerpa can form what looks like a carpet on the sea floor. They're based around a stem-like stolon, a tube with its length measured in meters, and can have hundreds of fronds that look a lot like the ones on a fern. Those similarity are just an example of convergent evolution, though. The plant is a single-celled green algae. Where most plants use fronds or leaves to maximize surface area available to capture sunlight, Caulerpa species have a cell membrane contorted into the same shape to maximize surface area for diffusion. Where most plants use stems to circulate nutrients, Caulerpa uses its stolon to circulate its cytoplasm to the same effect. Cells that huge have multiple nuclei, building proteins throughout their body. Nature is really a fascinating thing.
Don’t read my channel Desc
Kurzgesagt: “Staying alive is doing something.” Me: “I guess I’m not alive...”
Ezalian
Ezalian Vor 3 Monate
You're breathing. So that's doing something.
fruy
fruy Vor 4 Monate
lol
fruy
fruy Vor 4 Monate
@Kira Kira no, I'll do it
Kira Kira
Kira Kira Vor 4 Monate
Lol
Kira Kira
Kira Kira Vor 4 Monate
@Elisabeth sun I'll do it
KJ Kz Lezy
KJ Kz Lezy Vor 10 Monate
I've learned way more from these videos than I have in my 10 years of school
Otto Jablonka
Otto Jablonka Vor 10 Monate
I love that in the scene in which they you how long your bloodstream basically is they show it with the earth and go around it 3 and a half times, which actually is about 100.000km, the same length as your bloodstream
Paperhat Clown
You’re literally the reason I finally know what I want to be when I grow up. Thank you for introducing science (in a fun way) for me.
Paperhat Clown
@Galixi_ :)
Paperhat Clown
@james ostendorf yep, I do! I personally enjoy watching Mark Rober too. It’s really fascinating how creative he can get.
Paperhat Clown
@Jason Smith sure why not
Paperhat Clown
@joji 24 ty
Paperhat Clown
@Polski Obywatel lmao
Jaron Gneiting
Jaron Gneiting Vor 6 Monate
I like how the question in the video title was never directly addressed 🤣 but I love this channel
Freshoutofwater RR
Freshoutofwater RR Vor 2 Monate
If this guy was my teacher in my science class, I would never leave.
krystalystyk
krystalystyk Vor Monat
So does that mean when we breathe in, in our air sacs in our lungs, we only transfer about 1/2 or less of the oxygen into our blood? And if so does that mean we breathe out at least half of the oxygen we breathe in?
NoHaxJustXmod - SFS
Im pretty sure it’s not 100% efficient
Lucas Magalhães
Lucas Magalhães Vor 5 Monate
Tihs video is a master piece! Unfortunately there are no subtitles in Brazilian Portuguese. GREAT WORK!
Maria Vivian
Maria Vivian Vor year
Back in my day, we didn’t have all this fancy stuff like photosynthesis and ATP. We used to survive on diffusion and sheer fucking will Edit: You know a comment's good when it beats the creator's own comment. So come on down to Maria's Chicken Sideshop next to literally every KFC
Isaac Marks
Isaac Marks Vor Monat
@big boi That's pretty metal tbh
Maria Vivian
Maria Vivian Vor 6 Monate
@JoeSchmoe That's lovely to know! I hope you have an equally fun day!
JoeSchmoe
JoeSchmoe Vor 6 Monate
This comment made my day😂
random internet bro
random internet bro Vor 7 Monate
I know this is a joke, but these things have existed since the beginning of organisms
Maria Vivian
Maria Vivian Vor 7 Monate
@chlochlo6112 we are also currently only atoms
Ujjwal Singh
Ujjwal Singh Vor 3 Monate
Diffusion, Sunlight, Gravity Requires No Energy For Life (Life Starter Pack) Square Cube LAW (10X Length > 100X Surface > 1000X Volume) Size Of Cells Is Limited To The Distance Oxygen And Nutrients Can Effectively Diffuse Multicellular ( Makes Diffusion Easier ) ( Made Holes, Caves, Tunnels And Folding In On Itself { So That Nutrients Can Reach Every Cell } ) > Unicellular Life And Size Of Human Parts ( That Want To Exchange Something With The Outside World ) Diffusion In Human, Trees And Insects
Gaming 4 Fun
Gaming 4 Fun Vor 2 Monate
While I understand why, so this is not a complaint, I always get surpriced by ads on this channel. The content is so professional that ads seems beneath them. At least my mind expects ads from more serious sources than what I'm used to seeing on a vlog, let's play or reaction video. Kurzesagt is basically awesome.
Cam Alex
Cam Alex Vor 10 Monate
Simple answer : Smaller objects have a greater surface area to volume so they can absorb oxygen better
Michael Caballero
Michael Caballero Vor 6 Monate
“To get the oxygen to your cells, you need to breath.” Dang it Kurzgesagt you made me think about breathing!
SupGuysIExist
SupGuysIExist Vor year
Expectation: How large can bacteria get? Reality: How to breathe
Mukhammad Kholmirzaev
Reality hurts 😔
Zar Azran
Zar Azran Vor year
omg... I've that charmander plushie...
Dominotik Ivan Tulovskiy
@Fire Emperor Zuko I don't mean they are constantly there. But at some times, there's (probably) under a million people inside the planes in the sky.
Fire Emperor Zuko
@Dominotik Ivan Tulovskiy other than in the ISS humans aren't in the sky...
Dominotik Ivan Tulovskiy
@KutWrite there are a lot more humans in the air than birds. Yeah, humans are inside the planes, but there's still more of us in the sky.
Сергей Петров
Nice job guys! Thanks so much!
3XC4L1B3R
3XC4L1B3R Vor 9 Monate
The first cell moments after coming to life: "I'm tired" Relatable
Skunk Monke Gaming
Skunk Monke Gaming Vor 8 Monate
i learn more from this channel in 8 minutes then i do in 8 months at school
Dr. Pepper
Dr. Pepper Vor 9 Monate
Giant Bacterium : "I feel empty" Me too kid, me too
Alienators17
Alienators17 Vor year
Video: How large can a bacteria get? Also the video: No
The EXAM
The EXAM Vor year
Yes, I am aware of that little mistake I did. Somehow I typed "nanometer" instead of "micrometer". Though, it seems the lot of you get my point anyways.
Richard Callan
@The EXAM except bacteria usually range 0.1 micrometers to about 10 micrometers. There are a few just visible to the naked eye, about 0.1-0.2mm.
SuicidalBomber
Furry
Krzysztof Piasek
@The EXAM Nope. The video clearly stated that diffusion can still work for things up to a millimeter in size, not nanometers. Tardigrade is 1 mm in size (well, a bit more), and blood vessels are always at best 1 mm away from your cells. That is what this video says. And by using Google we get to know the biggest bacteria do get to 3/4 of a millimeter.
Cyrus T
Cyrus T Vor year
@The EXAM The video never said how big a bacteria can get. It just explained that if life is too big life needs organs and/or more surface area to breathe, but they NEVER said even roughly how big a bacteria can get.
Z7Sakari
Z7Sakari Vor 25 Tage
This video made me feel extremely self conscious about my breathing.
L
L Vor 5 Monate
Kurtzgesagt is the better channel on youtube ever. So many knowledge given in such a delicious way. This should be the rule on schools. Kids, teenagers and even adults would love this. So freaking wholesome.
IntensoPower
IntensoPower Vor 8 Monate
Does diffusion also apply to intestines? Like, do nutrients get into the blood due to diffusion?
Rick L.
Rick L. Vor 10 Monate
I'm loving your content! Thanks!!
DreadfullyD
DreadfullyD Vor year
“Staying Alive is about doing things” Me: *Instantly Dies*
Nikhel xyzabc
Nikhel xyzabc Vor year
that pfp tho..
JamesPlays Games
420th like
CloakX3
CloakX3 Vor year
RIP
gaurav proton
gaurav proton Vor year
Then who is writing this comment?
Dalha
Dalha Vor year
Most likely stolen
Masterzoroark666
Masterzoroark666 Vor 10 Monate
Stuff like that makes you realize that we need an evolution strategy game where you start as a cell and every step of evolution is a different set of problems to your body. Needing to addapt to the circumstances like evolving a way to breath for example. And no, I am not talking about Spore, I am talking about a single organism based strategy game where you have intricate strategical control over one body
Jesse the genius
Jesse the genius Vor 5 Monate
i would make one, but i dont know how to code
Chief_BEEF10
Chief_BEEF10 Vor 10 Monate
EA: want to buy the evolution battlepass only for 89.99?
Isaac Marks
Isaac Marks Vor Monat
"Life loves free things." Cool to know that it's across all species 🤣🤣🤣
barbooosa
barbooosa Vor 10 Monate
Every cell in your body is 1mm away from a blood vessel. Thats mind blowing
편경훈
편경훈 Vor 8 Monate
생명체는 정말 신비로운 존재같습니다. 우리의 몸도 결국 아주 조그만 세포로 이루어져있고 그런 세포의 대표인 박테리아가 엄청나게 ㅋ커진다면 정말 재밌는 일들이 많이 일어날거 같아요. 흥미로운 영상 감사합니다.
Hareecio Nelson
Hareecio Nelson Vor 11 Monate
My biology teacher introduced us to diffusion by asking us why humans are not made of just a few massive cells, instead of trillions. Now I love surface area to volume ratios :) "it's everywhere. EVERYWHERE! " ~ Neil deGrasse Tyson
vEggs Bacon
vEggs Bacon Vor 5 Monate
"Staying alive is about doing things." 🎵Ah ah ah ah! Staying alive! Staying alive! 🎵
J T
J T Vor 6 Monate
Isn't there a certain amount of energy needed to separate one sugar molecule from another even though the energy produced is environmental? Also, there is a certain amount of energy necessary to keep the sugar molecules together too...right? If the answers to both of my questions are affirmative, then diffusion technically isn't "free." If the answers are no then I continue to learn either way.
Fedor Silva
Fedor Silva Vor 7 Monate
"So at the very beginning LIFE needed to find a way to get good things in and bad things out" "So LIFE avoided this problem by forming a multicellular structures" "LIFE solved the diffusion problem by having holes and caves and tunnels and by folding in on itself" This is a design..Life is a design and it can't have started and developed on it's on..and for each and every design to exist there must be a designer..it's sad to see people be arrogant and never believe no matter how many evidence they find on his existence..
Fallen Down
Fallen Down Vor 7 Monate
Sorry man but NATURAL SELECTION 😎 Science does not require magical father in the sky or all those bullsh*t stories to explain human existance and can be understand and explored with scientific methot. But hey if you like the story abouth a men turning water to wine, thats fine but keep your stories to yourself.
Lindani B
Lindani B Vor year
I love it when he says "In a nutshell" it just completes the experience for me
Lindani B
Lindani B Vor year
@Warren Garabrandt I've never seen that show. I'll have to check it out, thank you
Ketan krishna
Ketan krishna Vor year
Ya
Vigilant Cosmic Penguin
Hey, that's the name of the channel!
Pixel Raster
Pixel Raster Vor 11 Monate
A teacher of mine had a neat way of demonstrating this. we simply gathered four of us. one to represent the intake of the cell, one to represent the outtake of the cell, and two others to represent the intake and outtake of nature or the world outside. We started close by each other, and our goal was to pass a ball between each other. It was a very easy ordeal near each other, as we could simply pass the ball with a simple outreach of our arms. But then she got us to stand further apart, requiring us to throw. It got harder, we had to toss the ball and took time by aiming and sometimes we had to go pick up the ball. Next she got us to do this from the corners of the class room and it got mega hard, the ball almost never took a direct trip and it regularly dropped, and we had to take extra time with aiming. In hindsight, it wasn't exactly the best demonstration, perhaps a 'timer' of 5 seconds could have been added to represent the cell's time left alive before lack of passing the ball kills it, but we got the general idea. It at the very least explained to us why cells would rather become multicelluar rather than become just a big ol' cell.
Din
Din Vor 8 Monate
This is 100 times more interesting than biology class
smallHead
smallHead Vor 8 Monate
So.... what if you just made a really big, but completely flat bacteria, with plenty of surface area, but
jayboy2kay7
jayboy2kay7 Vor 6 Monate
My mums a schoolteacher and last time I asked im pretty sure she said youtube is banned on the school computers… I showed her this and she said it would save about 6 weeks of trying to 1. Get the kids attention regarding biology. 2. Actually teach them what it all means. 3. Keep it retained in their heads. 4. *see stages 1-3*
Google User
Google User Vor year
I love how professional Kurzgesagt's are, putting official subtitles in every possible language and finding English in them makes my day
Shin
Shin Vor year
@Den Of Wolves whatever that means lol
Den Of Wolves
Den Of Wolves Vor year
British English too XD
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