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Residual air mostly occurs in
Residual air mostly occurs in
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The correct option is A Alveoli
The residual volume (RV) is the amount of air that is left in the alveoli of the lungs, after expiratory reserve volume is exhaled. The lungs are never left completely empty, there is always some air left in the lungs after a maximal exhalation. If this residual volume did not exist and the lungs emptied completely, the lung tissues would stick together.
The residual volume (RV) is the amount of air that is left in the alveoli of the lungs, after expiratory reserve volume is exhaled. The lungs are never left completely empty, there is always some air left in the lungs after a maximal exhalation. If this residual volume did not exist and the lungs emptied completely, the lung tissues would stick together.
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