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Immune System

QuestionAnswer
active immunity the immunity that develops when the body's immune system is stimulated by a disease organism or a vaccination
allergy a reaction of the body's immune system to the chemical composition of various substances
antibody a chemical substance produced in response to the presence of a specific antigen that neutralizes that antigen in the immune response
antigen a chemical substance, usually a protein, recognized by the immune system as a foreign invader and that is neutralized by a specific antibody
histamine a chemical product of the body that causes irritation and swelling of the mucous membranes
organ transplant an application of the study of immunity in which an organ or tissue of a donor is transplanted into a compatible recipient
passive immunity a temporary immunity produced as a result of the injection of preformed antibodies
phagocyte a type of white blood cell that engulfs and destroys bacteria
vaccination an inoculation of dead or weakened disease organisms that stimulates the body's immune system to produce active immunity
white blood cell a type of blood cell that functions in disease control
lymphocyte a type of white blood cell that produces antibodies
Created by: LFeldmann
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