GCSE Biology – Immune System (Defences Against Pathogens) #30

Published on December 6, 2018 by

In this video we take a look at our bodies defences against pathogens. Including the physical and chemicals barriers, and our immune system.

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  • Azorek 2004 2 years ago

    this is great for revision ngl

    • Cognito 2 years ago

      Cheers Azorek really appreciate the comment and kind words – hope the revision goes well! 🥳

  • rose munn 2 years ago

    does this include content for separate science also?

  • Greninja Gamer 2 years ago

    “If you haven’t noticed the body is covered in skin”

    -Cognito 2018

    • Romessa Ghaffar 2 years ago

      lol XD

  • Darksteiner 2 years ago

    He’s actually really good.

  • Raytrum Bolt 2 years ago

    We have an army inside out body

  • Benvena 07 2 years ago


  • Amish Ahmed 2 years ago

    thanks teacher

  • Troy Magana 2 years ago


  • Limitless 2 years ago

    This is so useful, i also like the little drawings 😀

  • N_TJK 2 years ago

    Mr Azizbek t mekshi 🐺☝️🐺☝️

  • Tom Polly 2 years ago

    Great for revision!!!

  • Owain Shave 2 years ago

    Loving the splinter cell nod

  • Freya Gorringe 2 years ago

    It’s good for GCSE revision!!!!

  • ɴᴏᴏʙᴏ 75 2 years ago


  • Joseph Barrett 2 years ago


  • Katherine Southin 2 years ago

    really lovely video and pictures. great for my revision!!!!

  • Joanna Booth 2 years ago

    I always use these videos for my students. Clear and concise.

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