Tidal Volume
Volume of air inspired or expired during a normal respiration. It is approx. 500 mL
Inspiratory Reserve Volume
Additional volume of air a person can inspire, by a forcible inspiration. 2500-3000 mL
Expiratory Reserve Volume
Additional volume of air a person can inspire by a forcible expiration.1000-1100 mL
Residual Volume
Volume of air remaining in lungs even after a forcible expiration. 1100-1200 mL
Inspiratory Capacity
Total volume of air a person can inspire after a normal expiration
Expiratory Capacity
Total volume of air a person can expire after a normal inspiration.
Functional Residual Capacity
Volume of air that will remain in lungs after a normal expiration.
Vital Capacity
The maximum volume of air a person can breathe in after a forced expiration.
Total Lung Capacity
Total volume accommodated by lungs at the end of a forced inspiration.