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An instrument called a ________ is used to measure the volume of air that moves into and out of the lungs. A. Hydrometer B. Barometer C. Spirometer D. None of the above
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Asked 5/22/2012 10:25:14 AM
Updated 8/21/2012 8:33:07 AM
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Added 8/21/2012 8:21:37 AM
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