Question

what is meant by residual volume ? what is the use of it?​

Answer 1

Answer:

Residual volume is the amount of air that remains in a person's lungs after fully exhaling. Doctors use tests to measure a person's residual air volume to help check how well the lungs are functioning. Residual volume is measured by: gas dilution test.

Explanation:

Answer 2

Explanation:

Residual volume is the amount of air that remains in a person's lungs after fully exhaling. Doctors use tests to measure a person's residual air volume to help check how well the lungs are functioning... Residual volume is measured by A gas dilution test.

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