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# Respiratory Volumes and Capacities : Residual Volume (RV): Volume of air ________________ . This averages from ______________ .

( A ) remaining in the lungs even after a forcible expiration , 1000 mL to 1500 mL
( B ) a person can expire by a forcible expiration , 1000 mL to 1500 mL
( C ) remaining in the lungs even after a forcible expiration , 1100 mL to 1200 mL
( D ) a person can inspire by a forcible inspiration , 1000 mL to 1200 mL

Respiratory Volumes and Capacities : Residual Volume (RV): Volume of air remaining in the lungs even after a forcible expiration. This averages 1100 mL to 1200 mL. By adding up a few respiratory volumes described above, one can derive various pulmonary capacities, which can be used in clinical diagnosis.