The Immune System

How does structure facilitate function? The layered, expansive structure of the severe musical arrangement facilitates its function to protect the physical structure. The immune system is a group of cells, molecules, and organs that act together to defend the body against foreign invaders that may cause disease, such(prenominal) as bacteria, viruses, and kingdom Fungi (Starr 582). The health of the body is subordinate on the immune systems cogency to recognize and then force or set down these invaders. The layers of right defense intromit innate freedom, adaptive immunity, humoral immunity, and cell-mediated immunity (Immune System demonstrate 2001). Our bodies require all of these immunity defenses fair to keep us healthy daily. If we were missing the immune system in all part of our body, we would most likely non live very long. thither are several different separate which consecrate up the whole immune system. White short letter cells make up a large part of t he immune system. any(prenominal) unobjectionable fall cells, known as macrophages, scarper an grand role in adaptive immunity in that they seclude to invading antigens and deliver them to be destroyed by another(prenominal) components of the adaptive immune system. Lymphocytes are specialized white telephone circuit cells whose function is to identify and destroy invading antigens. Some lymphocytes get along with in the bone marrow and are called B lymphocytes or B cells.

B cells make antibodies, which circulate by dint of the blood and other body fluids, binding to antigens and helping to destroy them in humoral immune responses. Another type of ly! mphocyte, called T lymphocytes or T cells, mature in the thymus, a tenuous secretory organ located behind the breastbone. Some T cells, called slayer hunt T cells, generate cell-mediated immune responses, directly destroying cells that have ad hoc antigens on their surface that are recognized by the orca T cells. Helper T cells, a second diversity of T... If you want to get a full essay, order it on our website: OrderCustomPaper.com

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