What is the volume of air present in the lungs when the lungs are at rest (in between breaths)?

Name: What is the volume of air present in the lungs when the lungs are at rest (in between breaths)?
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Quizplus · Accepted Answer

Functional residual capacity (FRC) is the volume of air present in the lungs at the end of passive expiration, which means it's the amount of air left in the lungs after a normal, relaxed exhale. This is when the lungs are at rest, in between breaths.

What Is the Volume of Air Present in the Lungs