volumes

Tidal volume

volume of air inhaled and exhaled in one cycle during quiet breathing (500 mL)

Inspiratory reserve volume

air in excess of tidal volume that can be inhaled with maximum effort (3,000 mL)

Expiratory reserve volume

air in excess of tidal volume that can be exhaled with maximum effort (1,200 mL)

Residual volume

air remaining in lungs after maximum expiration (1,300 mL)

Vital capacity

total amount of air that can be inhaled and then exhaled with maximum effort

inspiratory capacity

maximum amount of air that can be inhaled after a normal tidal expiration

Functional residual capacity

amount of air remaining in lungs after a normal tidal expiration

Total lung capacity

maximum amount of air the lungs can contain