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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Spirometer is used to measure the volume of air that moves into and out of the lungs.

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Asked 6/14/2012 1:37:35 PM

Updated 4/18/2015 3:10:10 PM

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Edited by yumdrea [4/18/2015 3:10:06 PM]

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