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What does our white blood cells do and how do they kill germs?
White blood cells kill parasites, destroy cancer cells, and help with allergic responses. They kill germs by digesting them with enzymes.
How does our skin protect use from pathogens?
If your skin is broken, microorganisms will through, so our skin protects us.
What is an antibody and how does it work?
Antibodies are blood protein and coat the surface of the invader so they can prevent pathogens from entering the healthy body cells. Antibodies can also stimulate other parts of the immune system to destroy the pathogens.
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