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biology 3

QuestionAnswer
alveoli air sacs in the lungs
antibiotics medicines used to kill bacteria that cause disease
antibody a substance, produced in the blood or tissues, that kills or weakens bacteria
antigen a substance that causes the body to produce antibodies to fight disease
artery a tube that carries blood away from the heart to all parts of the body
bacteria single cells that cause disease or help to protect the body from disease
capillary the smallest blood vessel that joins the end of an artery to the beginning of a vein
clot lump or mass formed by thickened blood
immunity the body's ability to produce antibodies to protect itself from disease
marrow soft material inside bones that produces red blood cells
Created by: lynnv