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white blood cell that matures in the thymus and destroying infected body cells by causing them to burst; also called a T-lymphocyte
white blood cell that matures in the bone marrow and produce antibodies that fight off infection; also called B-lymphocyte
type of protein, produced by body cells, that prevents viruses from replicating in infected cells
chemical, such as soap, vinegar, or rubbing alcohol, that destroys pathogens outside the body
process by which bacteria mutate so that they are no longer affected by an antibiotic
immune response that occurs when the body responds to a nondisease-causing antigen, such as pollen or animal dander
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