How Large Can a Bacteria get? Life & Size 3
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- Опубліковано 9 лис 2020
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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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Hi
The hell how fast do you upload
Also, I didn't get the notification for some unapparent reason
Love your content
wooow im early
Whoever is Reading this:
Your skin isn't a paper don't cut it
Your body isn't a book don't judge it
Your heart isn't a door don't lock it
Your life isn't a movie don't end it it
Your brain isn’t a computer don’t run it
You're beautiful
If a caterpillar can become a beautiful butterfly you can be more amazing and fly even higher in life
(by the way I’m also a small youtuber looking for your support plz)
I didn't create this quote
Just wanna spread positive vibes
If I had these kind of videos available as a kid, I swear I'd be waaay more into science early on!
:o
Woah
These would be so good for high school.
As a 13yo I can verify this
@@reapermaster1233 same
"Staying alive is about doing things."
I always thought I was dead. Now I'm certain.
Ok, the "thIs comMent iS sO uNderrAter" is overused, but fr this is funny.
Lmao
😂
Took me a second to realise what you did there 😅
lol
Kurzgesagt, the only show that can make bacteria look cute.
E
Lol
😆😆😆😅
Brew: “hold my coffee”
Yes
Fun fact: if you were to take someone’s veins and put them in a single string, you would be arrested
Fun fact: Cannibalism isn't illegal in the USA, the person just has to consent to being eaten by you and it's all good.
On a similar thread, a human body has enough bones in it to construct a whole entire skeleton
@@JetFalcon710 No
@@karibrimacombe8710 yes
@@JetFalcon710 no way
Thanks... I need to breathe manually now..
That's not true, i bet you didn't notice you were breathing manually when you read this
Good thing i don't blink manually
@@sagapulastation1711 you made me blink manually now
get good
@@ultragamer7532 *git gud
When he said "breathing is an answer to a very hard problem"
I felt that.
Look at demon slayer
Breathing is jojo references
do u have corona?
* sigh* come on guys
is that why we sigh and a deep breath when faced with a huge problem
“Life loves free things”
EA: I’m gonna stop you right there
Nestle: Limited time offer for... WATER.
EA games used to be good
gonna need the Standard Jump Expansion Pack to be able to burn more ATP to make a single jump. offer lasts for 10 jumps, then you've got to renew it.
@@elisabethsun7059 They used to be but not now and never ever.
What are you talking about? That ain't true.
EA loves to get free money from people buying the same sports game over and over again!
Kurzgesagt: "you're breathing"
Me **suddenly aware of my breathing** "goddammit"
Ehh I’m used to it
Imagine we had to constantly tell ourselves to breathe. It would be so hard to do anything
NAH BRO YOU DID IT TO ME
Try an Alan watts video. He constantly talks about breathing.
Me: *watching video peacefully*
Warrior Wolfy:
""Kurzgesagt: "you're breathing"
Me *suddenly aware of my breathing* "goddammit" ""
Me: "goddammit"
"Staying alive is about doing things"... many of us have been dead for some time now then
hey quibit love your vids! how is this only 2 likes?
Can I be alive again if I suddenly want to do things
Dead inside to be exact!
If you aren't living, then you're dying.
Fun Fact :-
A Dwarf planet, Sedna, in the Kuiper belt takes 10,500 years to complete one revolution around the Sun.
I have got a whole video dedicated to fun facts about solar system.
These are the happiest single-celled organisms I’ve ever seen.
Dr. why are you watching UA-cam videos? Get back to work!
I'm reporting you to the 05 council .
But what about subject [redacted]?
Can i see those scp lewds you draw?
@Dr. Bright Is that a challenge?
ive never been so proud of myself for breathing, my god im such a complex organism i'm impressed with myself
same
turns out we're not small and insignificant, we're actually very large, just very well folded. Still insignificant though...
Evelution is fake :)
@@Comment27560
You're perfect example of Dunning Kruger effect
@@Comment27560 Evolution is not fake , it failed. Failed to evolve you.
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!!
Your request has been answered
Yo they did it!
where it is?
Where?
Manual breathing activated: The video.
hahaha same
You have cursed me
Yeah lmao
Dude.
True
this channel is more entertaining than netflix
Right lmao
Getting or is?
Yes
And with 100% less pedophilia
no thanks lol. netflix has a lot more shows
So, size does matter.
One advantage of being too large for diffusion is that you can put up a thick wall all around you and only allow things in through a few tightly controlled gates. Our skin is basically an impenetrable wall to any invading microbe, covered in poison, while almost all our openings can be closed so we can be pretty selective about what gets in. This makes us a lot more resistant to infection than microscopic lifeforms since infections can get in anywhere with them so long it can trick the chemistry of the cell but we just don't have many living cells at the surface to be tricked since our skin is literally a pile of dead cells. It's like the difference between a rural village and Constantinople in terms of defenses.
kurz: _when you breath in_
*instantly breathes in*
"ah, i see"
Bots...
Oh i did that
This is funny because it’s true
Literally me when breath in
Didi
“Staying Alive is about doing things”
Me: *Instantly Dies*
Mood
We do things even when we are not doing things, we dont do things from outside but we are constantly doing something inside
@@The_Chitrakarist so when you die, you do something so you don't die, which is something so you basically never die
Pls gibe de pusi b0ss
@@realwhigmaster no I mean when we get old and start to doe we cant do anything our way of doing things get blocked by [insert death cause here] so we die because of [insert death cause here]
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?!
yes!
for anyone coming across this comment, the way that Thiomargarita namibiensis gets around the diffusion problem is by having a large vacuole in the center of it. So basically all of the cell's "insides" are in a layer closer to the surface of the cell, while the actual core of the cell which is harder to reach by diffusion doesn't hold any of the "important" stuff.
@@amentrison2794 I think that method was mentioned in the video, but not any examples of bacteria that use it.
This dude's voice is honestly so nice to listen to
Whale-sized bacterium: "I feel empty..."
Me too, squishy boi, me too.
yo call a doctor to get that checked, your guts should be inside, not outside.
@Joseph Mott no
@Joseph Mott hella cringe
@Joseph Mott CRINGE
Hmm, it's fun to wonder how squishy a whale-sized cell membrane would actually feel to the touch...
Most memorable narrators in media:
David Attenborough
Morgan Freeman
The Kurzgesagt man
His name is Steve Taylor.
@@luispineda6181 *The K u r z g e s a g t m a n*
@@luispineda6181 *the Kurzgesagt man*
Don't forget Addison Anderson from Ted ED!
@@luispineda6181 Steve Tyler from Aerosmith?
The first cell moments after coming to life: "I'm tired"
Relatable
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
same
There’s no fucking way they’d fit that into a 10 minute video
Until they do, there’s another channel that does that in greater detail, under the idea of our world being a giant mmo: Tierzoo
Imagine you’re just chilling and a giant E. Coli comes over and engulfs you
Then you infect E.coli 's gut , revenge100
@@punctdan GG
Right!! 😱😱
@@kshitijsharma759 When you kill a bacteria from the inside: The Future is now old man.
Worse: imagine you are just chilling and you learn that AT LEAST 65% of cells in our bodies are MICROBES. Their cells are much smaller than our meat-bag cells. So we are made by microbes to be their hosts. All macroflora and macrofauna were formed by microbes to be hosts and our DNA is a record of it.
Video: How large can a bacteria get?
Also the video: No
In case it was not obvious enough, the video was indirectly saying that bacteria can only become as big as diffusion allows them to, which is just on the nanometer scale.
They said...
Please sub to weird stuff animation
@@creativenamegoeshere2562 i did
@@coolxplayer12 thank you
0:29 So that bird has no lungs.
"Staying alive is about doing things."
🎵Ah ah ah ah! Staying alive! Staying alive! 🎵
"staying alive means doing things"
Me: Why do I feel offended by this?
If you're that het up you should do something about -- oh. Hmm.
@@troyterry5759 I know what I must do, but I do not know if I have the strength to do it.
Dude if sloths somehow haven’t gone extinct then your fine
@@beyondtubular2435 sloth aren't on the red list?
Edit : afther some reseach it have 3 species of sloth 1 it critcal state of extinction, 1 is vunerable and the las one is safe...
Not funny
Kurzgesagt: life loves free things
Me, watching this video for free: yes
everyone else: memes in the comments
me: THE SERIES IS BACK
you're not watching this for free. Eletric energy, internet, etc... :D
LIFE STARTER KIT
Yes UA-cam is "free" alright
@Ward Zahran one is proud of being a nerd, friend
My mom: “Go do something.”
Me, an intellectual: 0:11
I like how this video explains easier than my teacher notes on diffusion
"Size doesen't matter"
Kurzgesagt: eeeeeeehhhh....
300 likes and not a single reply lol
Make that 2 lmao
Make that 3 lmao
Make it 4, take it till 100 without getting flow destroyed
@@chrishudson3798 make it 5
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
I'm so old, when I went to school there was no history.
@@KutWrite kid here, literally confused
Underrated comment.
Alright, gran-gran, time for your nap
Lithovores eat straight up rock
Kurzgesagt: “Staying alive is doing something.”
Me: “I guess I’m not alive...”
I wanna comment “Lol” but for some reason it won’t let me
@@elisabethsun7059 I'll do it
Lol
@@kirakira9906 no, I'll do it
lol
I am 30 years old and only now with this video does anything make sense with breathing. I also always wondered how bugs "breathe". Thank you so much for simple powerful information in a stunning visual style.
Can we just add that the narrator's voice has never changed.
Yea
ban gay
@@sam-by6sq ?
@@sam-by6sq yo wut
Ture, but it sounded tired to me, hope they havn't created existensial dread in themselves.
Why is this channel so damn fascinating? This is how school should be
maybe, because it takes a long time to make, and revise
You're truly a man of intelligence.
Turns out that it's easier to learn stuff when you aren't being forced into it or you aren't under time limits or your "tests" aren't overvalued or you aren't obligated to work.
EXACTLY why can’t kurzgezagt just be our whole entire education system
I know right schools just make interesting stuff like this long, mono, and boring, but if they actually put some effort into it they can make maybe not exactly as cool as this awesome video but something pretty decent and better.
Giant Bacterium : "I feel empty"
Me too kid, me too
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 ❤️
AMOGUS
Expectation: How large can bacteria get?
Reality: How to breathe
Humans are the largest bacterias/bacteriums on Earth, we eat up everything and spread like cancer. xD
@@BillAnt We're not composed of a single cell though and cancer is not a bacteria. Very bad comparison.
@@BillAnt Humans are living things and living things spread, if we didn't some other species would have done the same things as us just in a slightly different way.
@@BillAnt cancer doesn't spread tho. It's a non communicable disease and it isn't caused by bacteria.
@Dominotik Ivan Tulovskiy what I mean is that cancer doesn't spread from human to human contact(droplets, touching, etc) unlike bacteria and viruses which do. You can't give a random dude cancer if you have it. You are right tho if you're talking about the body, you spoke facts 👌
"life loves free things"
*me who loves free costco samples- he's not wrong you know*
Wait doesn't costco have membership fees?
Hmm the science checks out on this one hahah 😂💁🏻♂️😎
I used to just separate from my parents with my sister and we would go and wander around and take the samples. Then we would wait for them to change shifts and we would exploit and take double XD
@Jakob Škoberne who remembers cut the rope XD
AHAHAAAA YES
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!
Or maybe his brain just switched to manual breathing and he needed to breathe at that moment XD
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
Diffusion: Exists.
Life: "It's free real estate!"
*free*
I don't understand how this meme is still alive but I am so glad it is
actually, literally makes sense in 2 ways
@@zuzpager because it's still funny, that's why.
It's really not that hard to understand 😕
@@sheepketchup9059 in this time when good funny memes die off in a matter of days... this has been around for years and people still use it and it's still funny. That's like a miracle or something
I love it when he says "In a nutshell" it just completes the experience for me
Like on PBS Spacetime when Matt ends every episode with the words "on spacetime".
Hey, that's the name of the channel!
Ya
Fyi
TM
"In and out, in and out"
That make me winky
Kurzgasegt:You're breathing. Me: *Holds my breath* wrong.
2:37
"The great thing about diffusion is that it is free, and Life loves free things. "
Relatable.
@@NovusCenters
Ye, but I literally meant that I live on free things as well lol 😂.
@@NovusCenters: "Free?" You don't pay for internet or electricity?
Well, Kurtzgesagt does come from a socialist country, where they pretend they get their stuff for free.
@@KutWrite HAHA you're right!
@@KutWrite
Lol
Let's be honest: we all really wanted a part 3 and just as we finally forgot about it Kurzgesagt uploaded this
I wanted
@Jan_hruska TV wut?
Yes that’s just the truth
And it sucked.
That’s why i love them so much
0:31 love how bird apparently doesn’t breathe
"Square Cube Law"
Every 60 seconds in Africa, a minute passes.
Ah, yes, the floor here is made out of floor.
The archer class is made out of archers
Death is fatal
Water is wet
@@aquarius7600 ACTUALLY
6:56
"When you breath in,"
Kurztgesagt: *Breathes in
My satisfaction cannot be measured
He did it. He breath. I never heard him breath.
Nice catch!
Hence proven he is not a robot.
@@indranisarkar9037 no, they still need to find all the traffic lights.
"Diffusion takes higher concentrations of things, and distributes it equally"
*Soviet national anthem intensifies*
Socialism is when cells diffuse. And it’s more socialism, the more cells diffuse. And if a real lot of cells diffuse, it’s communism.
Me: This is my body
My Cells: *REVOLUTION TIME*
@@NinjaLobsterStudios this is so epic he knows Marxism
@@NinjaLobsterStudios haha not true. Communism mean that government take everything and don't share... And cells are dying.
based
Did they really just make pseudomonas aeruginosa look kawaii? This channel never ceases to amaze.
"breathing is the answer to a very hard problem"
Me taking calculus:
so this must be impossible.
Hint: take a big breath;-)
kurzegesagt: your life is precious
Also kurzegesagt: oh yeah, and your life is meaningless too
Should you live life to the fullest?
Well yes but actually no
Instructions unclear: Had an existential crisis
Xd
Preciously meaningless
It is precious but ultimately meaningless
Imagine a collab between Kurzgesagt and bill wurtz 😳
I would have a stroke while learning something at the same time
That will be history and science collab
*music moment*
YAS
Sad Bill Nye the science guy noises
I love how he breathed in when he said "when you breathe in" i love this guy,Man is DEDICATED TO DA JOB
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!
The singular form of bacteria is bacterium.
And the singular form of mitochondria is mitochondrion.
And the thing I am and the singular form of stupidity is stupidium.
In latin but not in English I think
@@mabd7340 It's mitochondrion (Greek not Latin)
Hi professor Dave
Someone: size does not matter.
Kurzgaesagt: well, actually....
A smaller prick allows ya to diffuse oxygen and carbon dioxide easier
@WANT SÈХ - Rita 24 y.o !!! OPEN MY C A N A L !!!
STFU bot
i mean your breathing thats a thing
These cute animated shorts describe concepts better than most professors can in 20 hours of class time.
Really?
Obviously because school has a different teaching method. They teach limited info to not overwhelm you and give you time to memorize and understand it.
@@polarisjoy569 That's not "obvious"...
@@ronensuperexplainer It depends person to person, as someone who has a method of studying, I know this
5:12 giant bacterium: I feel empty.
Me too, buddy
5:22 "Our Giant bacterium would just die"
"OR Would It?"
*Vsause Music Intensifies*
There are very large single cellular organisms.
However they are very special and have like a ton of nucleus to run the thing.
So yeah, not exactly impossible but probably not.
@@adamxue6096 normally very large single-celled organisms need an active absorption method so they cannot live only with diffusion
Yes, they would.
**Credits roll.**
"Hey Vsause, Michel here"
Here before this comment gets 69.000 reply’s
Cell: Enjoying ATP
First cell: back in my day...
such an underrated comment
@@dominic.decoco though better than yours....
@@dvrockin609 and better than yours
@@iwastheonewhoasked3624 and better than yours
@@dominic.decoco no
6:56 I like how the narrator audibly breathed in to illustrate his point
7:54 Trump intestines.
Edit : To the team, I think it would mean the world to say hi in the Reply’s. I know it would make mine. Have a nice life, and I hope you are all doing well during the COVID season.
Reasons I love Kurzgesagt
1. The Narrator. I swear if you fire them, I will strike. Well, probably not, since I love this channel, but still.
2. The Animation. Every scene is something to look at, it is stunning. Amazing job animation team!
3. The information. The fact that you all show your sources, while also make an easy to digest, animated, video. It is amazing!
4. The Availability. You could get this on Hulu or Netflix. No doubt. It could definitely be on Amazon Prime. But the fact you make this free shows how much you care about educating the world. And mostly the youth, you can't deny it.
5. The demographic. I am 13. I love watching these. My grandpa is 65. He loves watching these. You have made a series that anyone can watch and love.
6. The conclusion. I am going to say it right now. You are the new Bill Nye. Take your seat among the champions. Carl Sagan, Bill Nye, and Neil Degrass Tyson, just to name a few. I hope you see this, and you know that you deserve every subscription and more.
Edit 7. The Music. Check the replies to see who said it, but I totally agree. The music is amazing.
Edit 8. The Team. I can not stress enough how great everyone on this team is. Everyone only thinks about the Narrator and the Animators, but there are so many more people than that making each and every episode that we all love.
Also the music
Idk why but the "defiantly" just makes that sentence very entertaining
@@jeppek1ng Thanks for pointing that out, I missed it while looking it over.
@@jeppek1ng Frickin spell-check screwed me over
@@SnakeMasterEhc
Ouch
Kurzgesagt: does another experiment with size
Bird janitor: Ah sh*t, here we go again
LMAO
@Liz Scholle kid alert
@Liz Scholle lol
ehh, just don't comment
Me: sees this birds return also me: the return of the king
“In and out, in and out” - me when I want to go outside because it’s snowing but it’s too cold
Also me on bed 😏
@@enthouendhut for food obviously 😂 😂
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.
this video has nothing to do with self-awareness and cells aren't self-aware so what are you talking about
"Staying alive is about doing things"
Welp...
Make today the day you start working towards something 💯 make goals, small and big, and keep yourself on track. You can do it homie
Oof
Is that like a personal attack or something?
I wanna touch a bacteria they are smooth
@@milec1727 i- what
“Stay alive is about doing things”
Me: Guess I’ll die
I hope
@@Ali_Kareem180 shut up
@@nooneimportant2591 no , no hes got a point
It's so funny because you like to pretend to be depressed to get likes
@@JaydenMontano On what part of the comment did he say he was depressed?
It's amazing how life just "decides" to do these really smart things.
It doesn’t decide anything. This all happens automatically.
The lifeforms who don't adapt die before reproducing. Those who adapt survive long enough to reproduce. The ones who adapt best reproduce the most and win the race (unless there are other factors that target them).
That's evolution and survival of the fittest in a nutshell.
I know, i myself was quite dissapointed we weren't made of matter smarter than us than can come up with clever solutions in real time to whatever problems we face. The closest thing we have to that is the epigenom.
Emergence is pretty intresteding isn't Intelligent it's just life evolving to fit in with what the laws of physics allow.
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.
I finish way too many Kurzgesagt videos with the thought: "I'd definitely play this game".
so true
If you think this gives you that thought, then Tierzoo would make you think you would be watching actual game guides.
@@paisleepunk about real life btw.
how?
@@justsmallyt985 well some videos are video game style.
"Life loves free things"
It is indeed free real estate
lmao
:|
8:58
I feel bad for that bird, his beak got stuck in the ground ;(
"Life loves free things"
My government: no we dont do that here
Mentions breathing
Me for some reason: *Unable to automatically breathe*
God damnit now im manually breathing XD
Lmaooo same
Why did you do thatttt
The entire time, I'm waiting for the intro to pop up.
Same
DAMNIT i didn't notice that
also no birds died
LooneyMar *impossible*
there might be a giant pod of bacteria just swimming on the ocean floor where no human has ever seen before
Video: *begins*
Everyone's breathing: *switches to manual*
physics: *doesn't give energy fast enough*
living things: fine, I'll do it mycellf.
Underrated comment
Bang.
I found it papa, I found the hill I'm willing to die on- that was great
bro how did this blow up
Banger
The narrator: _Repeatedly uses square metres_
Americans watching : *demonic screeching*
I just turn to dust like a vampire in sunlight.
LOL 🤣 😅 🤣
1 metre is equal to 3.3 feet so figure that out for yourself
*ahem*
Reeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Honestly at this point, I can visualize most things a lot easier in meters, but for some reason, I still have a hard time visualizing human height in anything other than feet & inches
I still want to know how large a bacterium can get
"Staying alive is about doing things"
Me binging youtube videos instead of studying or working out: "Indeed."
When you realise there is no Kurzgesagt intro in this video:
Something's wrong, I can feel it.
Yes, something is off
Like Phil Collen wearing a shirt or Rocky Balboa not blocking with his face anymore.
@@humansrants1694 yes
I was waiting for the intro while the video was over
No
Bacteria: "I feel empty"
Me too buddy, me too
Much depression.
@@geek2.027 You can’t fell depression if you can’t feel anything at all
im watching this before lunch and i feel the same way
@@ireplytoeverything3122 you reply to everything 😮
@@samusam5853 I could if I had thousands of bots which I don’t because bots are awful
I'm here to test color of my monitor
Kurzgesagt: *L u n g s .*
My body: Breathing switched to Manual Mode.
This video constantly put me into manual breathing mode.
@@AxxLAfriku I respect whatever it is you are doing
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.
Wear your mask and forget everything about this video ;-)
@@justalonesoul5825 Not true but ok
@@justalonesoul5825 what
@@justalonesoul5825 air goes through the mask
@@justalonesoul5825 If you stop breathing when you wear your mask, you’re doing it wrong.
Can we just apreciate that janitor duck cleaning the lab from the first video?
"one of the most important regulators of life, size".... i felt that
"life loves free things"
me going to every store in the state thats giving out free samples:
I'm Pickle Rick..
Wait, why are the F.B.I. going after free samples now D:
@@MouseGoat Because They are Pickle Rick
@@EnderSpino he does raise a good point
Life just loves free things. Looks like the F.B.I is no exception!
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.
Awww
You’re*
Its a group of people , also , actual science is much more complicated , they arent exaggerating when they say they are grossly oversimplifying some things . But dont get me wrong they are still a great channel
@@photon3566 yup! And I know :)
@@koningbielel4807 thank you, I’ll correct it
Thumbnail and title: how big can bacteria be
Video: so that’s why you have blood vessels