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10 Cards in this Set
- Front
- Back
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organ
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a group of tissues precisely arranged so as to accomplish specific functions.
examples: kidneys,liver,lungs, stomach |
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organ system
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a group of organs that all contribute to a particcular function.
example: digestive system, respiratory system, urinary system |
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metabolism
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it is all of the chemical reactions and physical processes that take place within the body. includes growing, repairing, and reproducing-all the characteristics of life.
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metabolic rate
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used to mean the speed at which the body produces energy and heat, or, put another way,energy production per unit of time, suchas 24 hours. one aspect of metabolism.
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homeostasis
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blanace. a person who is in good health may be said to be in a state of homeostasis.
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negative feedback mechanism
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the body's response reverses the stimulus.
example: body temperature increases and the body responds by sweating to lower body temperature. |
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positive feedback mechanism
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the response to the stimulus does not stop or reverse the stimulus, but instead keeps the sequence of events going.
example: childbirth any positive feedback mechanism requires an external brake to interrupt it. |
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femoral
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refers to the thigh.
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pulmonary
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refers to the lungs, as in pulmonary artery, pulmonary edema, pulmonary embolism.
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anatomic position
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standing upright facing forward, arms at the sides with palms forward, and the feet slightly apart.
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