The volume of air remaining in the lungs afte | vedclass

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(C) After a forcible expiration,the volume of air that still remains in the lungs is called the Residual Volume $(RV)$.This volume cannot be exhaled e

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Residual Volume $(RV)$

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(C) After a forcible expiration,the volume of air that still remains in the lungs is called the Residual Volume $(RV)$.This volume cannot be exhaled even by a forceful expiration because the lungs do not collapse completely due to the presence of intrapleural pressure.$FRC$ is the volume of air remaining in the lungs after a normal expiration $(ERV + RV)$.$ERV$ is the additional volume of air that can be expired by a forcible expiration.$EC$ is the total volume of air a person can expire after a normal inspiration $(TV + ERV)$.

The volume of air remaining in the lungs after a forcible expiration is known as:

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