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| the process of taking in and expelling air during breathing | ||||
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| passing or able to pass air in and out of the lungs normally | ||||
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| the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation | ||||
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| breath | ||||
V1, V2 |
| draw air into, and expel out of, the lungs | ||||
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| pertaining to respiration |