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What is Functional residual capacity represents the volume of air remaining in lungs and explain in detail?
Functional residual capacity * Functional residual capacity is the volume of air remaining in the lungs after expiration of a normal breath * Normal value - 2.5 L * (Residual volume + Expiratory reserve volume) Ref:- Ganong's Review of Medical Physiology 25th ed; pg num:- 629