Tiny Bombs in your Blood - The Complement System

  • Published on: 28 July 2019
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    One of the key players of our immune system is the complement system. An army of millions and trillions of tiny bombs, which work together in a complex and elegant dance to stop intruders in your body.

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  • Runtime : 8:40
  • Complement system Immune system virus bacterium funghi bacteria cell Phagocyte Phagocytes Phagocytosis Antibody Protein proteins C3 C3a C3b C3 Convertase C5 Convertase C5b Membrane Attack Complex Blood Stream Blood Injury Infection Infected Cell


  • Kurzgesagt – In a Nutshell

    Our Complement System is super complex and fascinating and we can’t get enough of it – so we also made a poster and postcards with its core workings step by step.Get it here: http://shop.kurzgesagt.org

  • samuel gibran
    samuel gibran   2 hours ago

    this is a very high production vid, i love you kurzgesagt <3

  • chistine lane
    chistine lane   6 hours ago

    It used to seem like this could never have evolved. Now it seems like there's no way it could have been designed

  • Kingco the one
    Kingco the one   17 hours ago

    If you’re gender fluid (have both sexual organs) could your pregnant yourself o-O 😳

  • l thetuerkgamer
    l thetuerkgamer   19 hours ago

    The immune system now looks like the most awesome strategy game to have ever been invented. Stealth Bacteria sold me on the idea

  • Satya Sudha Illindala

    I poke my hand with a nail........Me: Nah! Not a big deal, will heal soon.My immunity: Immunity....Assemble!!!!!C3a : Mr.c3b I....I don't feel goodC3b: Don't worry about me go search for help.The end game begins......Bacteria: I'm gonna snap this human out of existance.C3a reaches the phagocyte...Phagocyte:Not so fast bacteria.Phagocyte: I am .....Phagocyte*Snap*... Bacteria dies

  • Yakub Tanasyah
    Yakub Tanasyah   1 days ago

    Your videos of human's immune system are amazed me how strong we actually and complex we are. Had goosebumps when I watched these videos!

  • PETA
    PETA   1 days ago

    And the anti biotics are nuclear bombsYes

    PPAP PPAP   2 days ago

    Kurzgesagt can you do more videos about the immune system

  • PunchCounter
    PunchCounter   2 days ago

    Who thought this was the virus part of the explained

  • John Mo
    John Mo   3 days ago

    When u call 911 in a nutshell

  • Flare 9288
    Flare 9288   3 days ago

    Now I know how Killer Queen explodes people

  • Jamison Baker
    Jamison Baker   4 days ago

    It's only a matter of time before we get protein C3PO

  • Harlequin Ely
    Harlequin Ely   4 days ago

    What part of the body creates compliment proteins?

  • Peter Parker
    Peter Parker   4 days ago

    C3 be like; I am the match that will light the fire that will burn down the First Or... bacteria, sorry

  • Xenon Phantom
    Xenon Phantom   5 days ago

    Mindless things doing smart things togetherMe: but people are smart things doing mindless things together. What a world we live in

  • Anonymous
    Anonymous   5 days ago

    Can you please explain autoimmune disease? Thanks

  • Lasagna
    Lasagna   5 days ago

    Imagine being covered in flies.

  • Nether YT
    Nether YT   5 days ago

    A virus has entered the body in lego city!Hey!Build the cells,Attack the virus

  • Dudexyzu
    Dudexyzu   5 days ago

    Immune system 2: electric boogaloo

  • The T-34
    The T-34   6 days ago

    "Saturating every fluid in your body"Does that include my ejaculation....

  • Perro-Enano
    Perro-Enano   6 days ago

    I love this comment section, it makes me feel smort.