Cell vs. virus: A battle for health - Shannon Stiles

  • Published on Apr 17, 2014
  • View full lesson: ed.ted.com/lessons/cell-vs-virus-a-battle-for-health-shannon-stiles
    All living things are made of cells. In the human body, these highly efficient units are protected by layer upon layer of defense against icky invaders like the cold virus. Shannon Stiles takes a journey into the cell, introducing the microscopic arsenal of weapons and warriors that play a role in the battle for your health.
    Lesson by Shannon Stiles, animation by Igor Coric.

Comments • 1 569

  • baby king game play and reaction

    When you cut yourself it is world war 2

  • Lukas King
    Lukas King 6 hours ago +1

    It is 37 with 19 zeros oml

  • Lukas King
    Lukas King 6 hours ago +1

    Man 3.7 to the 20th power dang that is a lot of virus killing maker machines

  • Praharsh Chaubey
    Praharsh Chaubey 6 hours ago

    The t cell part should be added

  • SpecS
    SpecS 13 hours ago

    1:12 When you fart 💨

  • Sr iluminati Animations

    Great, but this video only tells when the cell overpowers the virus, remember to tell the other side of the history!

  • Hardik Pande
    Hardik Pande 9 days ago

    A huge applause for this marvellous animation 👏👏👏

  • Detlaff von Drac
    Detlaff von Drac 10 days ago

    Mitochondria: The Powerhouse of the Cell

  • Canadian Mapping
    Canadian Mapping 11 days ago

    WW1 = A very very tiny cut
    WW2 = slightly bigger cut
    WW3 = Papercut

  • Mohamed Rashard
    Mohamed Rashard 11 days ago

    amazing ! everything you need to know about immunity is SUMMARISED. hey but plants do make energy from cellular respiration!!!

  • Dorothy AB
    Dorothy AB 12 days ago

    GOD is truly awesome

  • Kidgamer
    Kidgamer 14 days ago

    I like this because the castles just make it funer

  • sakshi Kumari
    sakshi Kumari 14 days ago +1

    Very funny ....... best video..

  • The Meme cat
    The Meme cat 16 days ago

    4 YEARS WOW this was made in 2015

  • Immortal Legends
    Immortal Legends 17 days ago +1

    looks like the cells are preparing for world war 3.

  • Variety of Everything
    Variety of Everything 17 days ago +1

    No. A virus injects it’s DNA into the cell, to make the cell release more viruses. It is the dendritic cell that warns T and B cells about it. The B cells make antibodies, and the T cells kill the infected cells with cytotoxins. It’s much more complicated.

  • Shubhan Ravi
    Shubhan Ravi 19 days ago

    The mRNA would have U and not T.

  • mark peracullo
    mark peracullo 19 days ago

    CELLS AT WORK anyone??

  • Dboy Smith
    Dboy Smith 21 day ago

    My teacher made this

  • Sothea Phon
    Sothea Phon 22 days ago

    It’s like a war in body’s but it’s ww3 in body’s now

  • Braindon Bonode
    Braindon Bonode 22 days ago

    Watch cells at work

  • Anonymous71475
    Anonymous71475 22 days ago

    DIE GERM!!!

  • Adrian Barajas
    Adrian Barajas 24 days ago

    So a cell is made of cells

    *Illuminati confirmed*

  • marshmello doggo
    marshmello doggo 25 days ago

    google how do i make antibodies ?

  • Maku - Kun
    Maku - Kun 25 days ago


  • Furious Warrior
    Furious Warrior 26 days ago

    Did anyone else breath until they get dizzy? because she said "They get energy from oxygen"

  • Tezlla Turtle
    Tezlla Turtle 29 days ago

    The oxygen looks like it’s flipping me off

  • Howto notbasic
    Howto notbasic Month ago +1

    3:05 hey kid here why your science teacher won't show this to you at school

  • فلسطينية حىة

    Please I want the answer of this quetion quickly
    ~how healthy cell protect them self from T cell ... OR .. how immune system known healthy cell and don't kill them

  • Blue_Manta
    Blue_Manta Month ago

    No offense, but i think Kurzgesagt did it better here:

  • kAyN9 lOv3
    kAyN9 lOv3 Month ago

    Stop at 1:11
    *"It was at at this moment that he knew, He F*cked Up"*

  • Error For Money Get Rich

    Say cancer and you will have cancer

  • 詹姆士
    詹姆士 Month ago

    1:27 Wait, Antibodies aren't 抗生素

  • Davis Kuder
    Davis Kuder Month ago

    What about the stumik flu

  • Davis Kuder
    Davis Kuder Month ago

    What about the noroviris

  • super roblox ninja 95423

    this remines me that every time we get a virus we get weak but then stronger untill when we get a virus again it does not effict us that mutch and it goes awway faster

  • Orion D. Hunter
    Orion D. Hunter Month ago

    I'm more likely to want cellcraft looks

  • 10 000 subscriber with 2 videos???

    Know What
    Antibody factory just like power plant
    Have pollution

  • Hyper GamingYT
    Hyper GamingYT Month ago

    The venom trailer appeared when I tapt on this video

  • Corey Playz
    Corey Playz Month ago

    Top 10 Anime Battles

  • Furious Playz
    Furious Playz Month ago


  • 고양이HøtÇhøçøłätê

    My antibodies are mean and are trying to hurt my thirod >:::00000

  • Ali Ahmed
    Ali Ahmed Month ago +1

    The best educational video. The things i learned​ from the class didn't made much sense until i watched this.

  • Splash Ink
    Splash Ink Month ago


  • Minh Đỗ Lê Thành
    Minh Đỗ Lê Thành Month ago +1


    BLACK REBEL Month ago

    can u show us what immune does when rabies atack

  • blackvelvet
    blackvelvet Month ago +1

    3:01 the powerhouse of the cell

  • Kecap Manis
    Kecap Manis Month ago +1

    Just watch cells at work

  • Tormented chicken lel

    Wow,oxygen seems like its in the mood to flip off the viewers! 3:05

  • Juris Deliguer
    Juris Deliguer Month ago

    why is it important to appreciate the early discoveries about cells in the understanding of bodily functioning?

  • Let’s reach 10,000 without vids

    These is better than my science class

  • verifeli
    verifeli 2 months ago +1

    This is the real Cells at Work.

  • yellow Scar
    yellow Scar 2 months ago

    The actual look of those cells are much different.

  • Don't be Such a Meme
    Don't be Such a Meme 2 months ago

    I love how sugar looks its so chic 😍😍

  • world of tanks philipinesñ

    Tnx ted ed i know the science in cell

  • Norwegiangansterboythisisahardname

    *C A N C E R*

  • Fajar Sophian
    Fajar Sophian 2 months ago

    just imagine when you re small as virus and you are reconizied

  • FunkyPlayz
    FunkyPlayz 2 months ago +1

    please delete this before my virus see's this! :(

  • Moody
    Moody 2 months ago

    Wow. ....im a war machine !!!.

  • Silly Plays Roblox
    Silly Plays Roblox 2 months ago

    0:09 hes not sneezing, hes burping lol

  • Mckenzie Welsh
    Mckenzie Welsh 2 months ago

    The microchodria is the powerhouse of the cell

  • sang van
    sang van 2 months ago

    very creative! I love it!

    JUSTIN P 2 months ago

    don`t get hurt or "DISEASED" or ITS WAR!!! go on the cells side and not thos jerky viruses

  • Scott Mats
    Scott Mats 2 months ago

    this is fake

  • Oscar Alejo
    Oscar Alejo 2 months ago


  • Xavier Zagari
    Xavier Zagari 2 months ago

    I feel so bad for the dirt still I don’t want it in my body

  • Foever Fail
    Foever Fail 2 months ago

    This is about medevil stuff fighting thought it was science and stuff

  • Ay DJ
    Ay DJ 2 months ago

    I'm interested to see what comments are gonna be on this video
    lol Like and Reply if u agree

  • Iffat A Amin Strawcoli Wonders یسھذ

    мεh, ι qυiτ. ωhσ's гερlγiηg hεгε? Οh,ησβοdу hεгε, jυsτ mε hεгε. Οh ωεll.

  • Lewis Mono 2007
    Lewis Mono 2007 2 months ago

    🅱️ Cells

  • Mother Ship Adrift Family Travel and Sailing Blogs

    This is the best cell video I found. I'm home-schooled and had been searching and searching but this video has taught me everything!

  • iDEYN TV
    iDEYN TV 2 months ago

    can i borrow this? thnx

  • Eerik -
    Eerik - 2 months ago

    brb gonna eat some small purple crosses for my brave soldiers.

  • ItsnotEj XD
    ItsnotEj XD 2 months ago +1

    I think world war 3 is happening, but.... inside our body!

  • Majid Moneer
    Majid Moneer 2 months ago

    Great videos

  • Majid Moneer
    Majid Moneer 2 months ago

    That is mean that anti bodies are formed only when cells beat the virus

  • I Am Lala
    I Am Lala 2 months ago

    This is so cute!
    Great work TED Ed! 💯

  • Conrad Colby
    Conrad Colby 3 months ago

    Can this be a game like a card game?

  • Sardar Sons shahid
    Sardar Sons shahid 3 months ago

    noticed the co2 being ignored at the start of the video that face it made when it was kicked out of the cell😡😂😂

  • Sardar Sons shahid
    Sardar Sons shahid 3 months ago

    such a good video ❤❤

  • Sardar Sons shahid
    Sardar Sons shahid 3 months ago

    such a good video ❤❤

  • PugLife
    PugLife 3 months ago

    I always thought that when u would pick a scab the cells would get pissed off and have to do it all over again.

  • IR Shadow
    IR Shadow 3 months ago

    To learn more about Cells... Watch "Cells at work" xD

  • FATROBIN 247
    FATROBIN 247 3 months ago +1

    The sugar that plants makes are called Glucose, and the chemical formula is C6H12O6

  • TwinGamersTV
    TwinGamersTV 3 months ago +1

    the mitocondria is the powerhouse of the cell

  • Ian Cabugsa
    Ian Cabugsa 3 months ago


    • SugarQuote
      SugarQuote 3 months ago +1

      I'm purposely searching comments like this from other immune system related videos lol

  • hari06 Bg
    hari06 Bg 3 months ago

    That's so cool video!

  • David C.
    David C. 3 months ago

    1:10 see 1 measly virus

  • Lucas Howley
    Lucas Howley 3 months ago


  • general hunter
    general hunter 3 months ago

    I want a rts game about this

  • LORD Hydra
    LORD Hydra 3 months ago

    Theres a war inside my body

  • meghna sankhla
    meghna sankhla 3 months ago

    Did no one else get the Trojan horse reference..

  • Nikrtguyutiyih
    Nikrtguyutiyih 3 months ago

    For more info you guys can go to ted ed it’s tells you a lot about a virus

  • Sun Young Lee
    Sun Young Lee 3 months ago

    Viruses are the smallest living thing -_-


    HEY!! Ho did this don't call me virus!! my name is XYRUZ!!!

  • Ayana Wiley
    Ayana Wiley 3 months ago

    To you I'm not a boy

  • Vinod Ojha
    Vinod Ojha 3 months ago

    Ted ed videos are greatttest..

  • House Phone
    House Phone 3 months ago

    There is definitely a god

  • Deskbox Gamer
    Deskbox Gamer 4 months ago

    But why do we get sick? 😮

  • Bolt1111
    Bolt1111 4 months ago

    so humans are the enzymes of earth?