KNES 260 Study Guide - Midterm Guide: Cell Signaling, Asthma, Vasodilation

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Knes 260 blood and immunity midterm study guide. White blood cells: used to defend the tissues against infection and foreign substances. Platelets: form plugs in the blood clotting mechanism. Plasma: the fluid portion of blood, consists of water, electrolytes, bicarbonate, co2, hormones, nutrients, clotting factors, and proteins. Specific: acquired immunity: slower but stronger than non-specific immunity, consists of t and b cells. Non-specific: innate immunity: quick defense, consists of external defenses, inflammation, interferon, natural killer cells/phagocytes, and the complement system. Interferon: molecules that leave an infected cell to warn" other healthy cells, stimulates the healthy cell to turn on antiviral proteins to block viral reproduction. Complement system: circulating proteins that kills anything marked with by antibodies. B reaction: stimulated by antigens of microorganisms during the immune response, proliferate and become plasma cells, plasma cells produce antibody molecules (which enter the bloodstream and interact with the microorganisms that stimulated their production)

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