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any change, other than an injury, that disrupts the normal functions of the body


an organism that causes disease


compound that blocks the growth and reproduction of bacteria


organisn that carries pathogens from person to person

Inflammatory response

nonspecific defense reaction to tissue damage caused by injury or infection


foreign molecule that triggers an immune response

Humoral immunity

specific immunity produced by B cells that produce antibodies that circulate in body fluids

Cell-mediated immunity

type of immunity produced by T cells that attack infected cells


protein that helps destroy pathogens


injection of a weakened or mild form of a pathogen to produce immunity

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