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| Instrument used to measure lung capacities. |
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| Amount of air inhaled and exhaled during a normal breathe. |
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| Greatest breathing capacity. The maximum volume of air that can be expelled after a maximum Inhalation. |
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| Expiratory Reserve Volume (ERV) |
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| Maximum volume of air that can be exhaled after a resting volume exhalation. |
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| Inspiratory Reserve Volume (IRV) |
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| Maximum volume of air that can be inhaled beyond normal resting inhalation. |
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Method #1 Using the spirometer, student breathes slowly and deeply. Then, Breathes in as deeply as possible and breathes out as forcibly as possible. Average these three measures.
Method #2 Add together TV, ERV, and IRV
Method #3 VC= W^n/K |
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| Three ways to calculate VC |
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| What muscle contracts during respiration? |
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