Bio 253 Exam 1 Questions and Answers(A+ Solution guide)
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Course
Bio 253
Institution
Bio 253
anatomy - study of the structure/morphology of the body and parts
Physiology - the study of the functions of the human body and parts
negative feedback - Most common type of homeostatic mechanism. Effectors return conditions
toward normal range, and the deviation point lessens. Ex. BP, temperatu...
Bio 253 Quiz 1 anatomy - ✔✔study of the structure/morphology of the body and parts Physiology - ✔✔the study of the functions of the human body and parts negative feedback - ✔✔Most common type of homeostatic mechanism. Effectors return conditions toward normal range, and the deviation p oint lessens. Ex. BP , temperature positive feedback - ✔✔Uncommon, the deviation from the body's setpoint is intensified to speed along a bodily process. Ex. blood clotting, childbirth. organic molecules - ✔✔Molecules that contain BOTH carbon and hydrogen . Dissolve in water. Ex. carbs, lipids, nucleic acids, proteins inorganic molecules - ✔✔Molecules that do not contain both carbon and hydrogen, usually one or the other. Electrolytes that release ions when dissolved in water. Ex. H2O, CO2, inorganic salts Superficial (external) - ✔✔toward or at the body surface Deep (internal) - ✔✔Away from the body surface; more internal Anterior (ventral) - ✔✔front of the body Posterior (dorsal) - ✔✔back of the body Superior - ✔✔above, toward the head Inferior - ✔✔Lower on the body, farther from the head
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