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Cards In This Set
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Exercise disrupts homeostasis by changes in.........
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PH, O2, CO2, and temperature
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T/F - Control systems are capable of maintaining steady state during maximal exercise in a cool environment
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FALSE - Control systems are capable of maintaining steady state during SUBMAXIMAL exercise in a cool environment
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Intense exercise or prolonged exercise in a hot/humid environment may exceed the ability to maintain..........
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Steady state
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Homeostasis is..........
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Maintenance of a “constant” and “normal” internal environment during unstressed conditions
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Stress is..........
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a disruption in body homeostasis and the body’s attempts to regain homeostasis
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Steady state is..........
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Balance between demands placed on body and the body’s response to those demandsPhysiological variable is unchanging, but not necessarily “normal”
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Give two examples of bodily mechanisms that respond to demands placed on the body in order to reach a steady state
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Body emperature and arterial blood pressure
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Body temperature reaches a plateau (steady state) during ................. exercise
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Submaximal
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Negative feedback is.........
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The Response of a system that reduces the size of a stimulus by stimulating an opposite action
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Give two examples of negative feedback mechanisms in the human boody
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Body temperature and insulin
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Positive feedback or Feed‐forward stimulation is .....
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Response of a system that increase the size of the original stimulus
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Give two examples of positive feedback mechanisms in the human body
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Clotting and oxytocin
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What is meant by "Adaptation"?
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Change in structure or function of cell or organ system resulting in improved ability to maintain homeostasis
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What is meant by "Acclimatization"?
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Adaptation to environmental stresses (e.g. Sweating when it's hot)
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What is "cell signalling" and what is it important for?
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Communication between cells using chemical messengers –Important for maintaining homeostasis
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