Question

volume of air that remains in the lungs after normal expiration is called​

Answer 1

Answer:

Residual volume

Explanation:

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Answer 2

Answer:

Functional Residual Capacity

Explanation:

The volume of air remaining in the lungs after a normal expiration is known as functional residual capacity (FRC). It includes expiratory reserve volume (ERV) and residual volume (RV).