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Caroline
Caroline asked in Science & MathematicsBiology · 2 years ago

What's on our skin that prevents bacteria and viruses from entering?

3 Answers

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  • Anonymous
    2 years ago

    Nothing. You're covered in bacteria and viruses.

  • James
    Lv 5
    2 years ago

    The dry outer keratinized skin layer. It's a pretty good barrier.

  • Anonymous
    2 years ago

    The skin. How the skin is structured and it being at the right pH balance

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