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1. Immune establishment has 2 intrinsic trunks Innate (nonspecific) demur system Adaptive (specific) vindication system Innate refutal system has two lines of defense * First line of defense is external body membranes (skin and mucosae) * chip line of defense is antimicrobial proteins, phagocytes, and other kiosks. It Inhibit break of encroachers and Inflammation is its most eventful mechanism Surface barriers * Skin, mucose membranes, and their secretions * Mucosae provide similar mechani announcey skillful barriers * Protective chemicals inhibit or destroy microorganisms: * Respiratory system modifications 1. Cardinal signs of acute fervor: * Redness, heat, swelling and pain. Inflammation serves as a protective bureau: Triggered whenever body tissues are hurt or infected Prevents the spread of prejudicial agents Disposes of cell junk and pa thogens Sets the stage for repair 2.

The adaptive immune (specific defense) system is the system that protects against infectious agents and abnormal body cells, it amplifies the inflammatory answer and activates equilibrate Two types of lymphocytes * B lymphocytes (B cells)humoral granting license * T lymphocytes (T cells)cell- interruptd immunity 3. Antigen is substances that can razz the adaptive defenses and provoke an immune response. around are large, interlacing molecules not normally found in the body (nonself) Antibody is proteins mostly found in the blood that distinguish and destroy to invader like bacterias and viruses. 4! . all-encompassing complement is the primary(prenominal) antibody defense against cellular antigens some(prenominal) antibodies bind close together on a cellular antigen. Their complement-binding sites trigger complement fixation into the cells surface. Complement triggers cell lysis. 5. T cells are lymphocytes that mediate cellular immunity; include helper, cytotoxic, regulatory,and memory cells. Also call T lymphocytes. B cells also...If you want to get a full essay, order it on our website: BestEssayCheap.com

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