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Lymphatic/Immune System (Lymphatic System: Anatomy (lymph capillaries…
Lymphatic/Immune System
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Antibodies
functions
Antibodies are secreted into the blood and mucosa, where they bind to and inactivate foreign substances such as pathogens and toxins (neutralization).
Antibodies activate the complement system to destroy bacterial cells by lysis (punching holes in the cell wall).
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immunoglobin
5 different classes: lgM, lgA, lgD, lgG, lgE
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Antigens
Immunity results from the production of antibodies specific to a given antigen. Antibodies bind to the antigens on invaders and kill or inactivate them in several ways. Most antibodies are themselves proteins or are a mix of protein and polysaccharides. Antigens can be any molecule that causes antibody production.
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