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The skin coats our body so that pathogens cannot come in tact with healthy cells.
Doctor, How does our skin protect us from pathogen?
Communicable Diseases By Advaitha
White blood cells protect our body from infectious diseases and they kill bacteria. They kill bacteria by completely surrounding the bacteria and digesting them with enzymes.
I would like to know what our white blood cells do and how they kill germs
Antibodies are proteins which neutralize viruses and bacteria.
Doctor, what is an antibody and how does it work?
Antibodies bind to the antigens to coat them so that they cannot enter or damage healthy cells
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