White blood cells

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Fighting disease

Pathogens have antigens, which are chemicals that are foreign to the body.

Lymphocytes are a type of white blood cell, which can produce antibodies specific to a pathogen's antigen.

Antibodies lock onto the pathogen's antigens and kill or damage the pathogen.

Antibodies can also coat pathogens so they clump together. This makes it easier for a phagocyte (another type of white blood cell) to…


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