Ch. 10 Immune System
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| organs of the immune system | lymph nodes, bone marrow, thymus, spleen
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| nonspecific immunity | innate immunity, the responses cells carry out without learning
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| specific immunity | adaptive immunity is developed as immune cells learn to recognize and respond to particular antigens. divided into humoral immunity and cell-mediated immunity
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| humoral immunity | mediated by B-cells. B-cells proliferate to make plasma cells and memory cells. antibodies are made my plasma cells. effective against bacterial infections
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| Cell-mediated immunity | involves T-lymphocytes. three major classes are helper T-cells, suppressor T-cells, and killer (cytotoxic) T-cells. fights viral and fungal infection
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| antibodies | fight infection by binding to foreign antigens, thereby allowing other immune cells (eg macrophages) to phagocytize them
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| Types of immunizations | active immunization results in a sustained immune response mediated by B-cells. Passive immunization effects are short lived
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| natural immunization | natural immunization is the result of exposure to the antigen in nature or transfer of antibodies from mother to fetus.
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| artificial immunization | artificial active immunization uses weakened to dead forms of microbes to generate an immune response without causing active infection
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| lymphatic system | secondary circulatory system that removes excess fluid from the interstitial space. also transports fat molecules from the intestinal epithelial cells to bloodstream and serves as a conduit for the movement of immune cells
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