basic organization and function of the immune system

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the immune system brainstorm why do organisms contract diseases? what happens when an organism contracts a disease? what factors can help (or hinder) the likelihood that we will contract a disease? what happens when an organism is injured? what factors can help (or hinder) the likelihood that we will recover from an injury? * basic organization and function of the immune system the immune system is the body’s response to disease and injury nonspecific response (innate immunity) specific response (acquired immunity) t-cell (part of the specific immune response) * nonspecific response exterior barriers skin mucous membranes secretions * nonspecific response involves myeloid leukocytes (including all phagocytic cells) such as macrophages participate in the inflammatory response to injury or disease mast cells also involved proteins (cytokines) signal between cells inflammation mast cell protein * specific response antigen-antibody relationship (acquired immunity) vaccinations depend on this involves lymphocytes (b, t and plasma cells) …
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se cells to respond? * cell response b cells: recognize antigens, proliferate and produce specific antibodies. differentiate into plasma cells- to produce more antibodies differentiate into memory cells- keep antibodies in supply for activation from second encounter by same antigen * b cells recognize antigens, differentiate into plasma cells- produce more antibodies differentiate into memory cells- keep some for later proliferate, and produce specific antibodies. * cell response t cells: recognize and destroy tagged antigens and proliferate cytotoxic t cells bind to antigen on plasma membrane of target cells and directly destroy the cells helper t cells activate b cells, cytotoxic t cells, natural killer cells and macrophages remaining cells can respond to secondary exposure * cytotoxic t cell binds to antigen on plasma membrane of target cells and directly destroy the cells * helper t cells activate b cells, cytotoxic t cells, natural killer cells and macrophages * why …
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tolerance would use drugs on the cell transplant to make them tolerogenic tolerogenic: capable of producing immunological tolerance *
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the immune system brainstorm why do organisms contract diseases? what happens when an organism contracts a disease? what factors can help (or hinder) the likelihood that we will contract a disease? what happens when an organism is injured? what factors can help (or hinder) the likelihood that we will recover from an injury? * basic organization and function of the immune system the immune system is the body’s response to disease and injury nonspecific response (innate immunity) specific response (acquired immunity) t-cell (part of the specific immune response) * nonspecific response exterior barriers skin mucous membranes secretions * nonspecific response involves myeloid leukocytes (including all phagocytic cells) such as macrophages participate in the inflammatory response to injury or d...

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