The simple idea
The lung tends to spring inward; the chest wall tends to spring outward. At the end of a quiet breath out, the two pulls balance. The air left inside is the functional residual capacity (FRC).
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Part 2 · The Lungs and Breathing
Same concept, other depth: Clinical Reasoning →
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The lung tends to spring inward; the chest wall tends to spring outward. At the end of a quiet breath out, the two pulls balance. The air left inside is the functional residual capacity (FRC).
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Talk it through with Dr. Amy
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