what is the residual volume of air
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The residual volume (RV) is the amount of air that is left after expiratory reserve volume is exhaled. The lungs are never completely empty. There is always some air left in the lungs after a maximal exhalation.
shakti1234:
residual volume ki defination nhi poochi
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the residual volume of air means that the amount of air that is left after the respiratory exhaled volume is exhaled . lungs are never empty. there is always some air left after the exhalation
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