lung capacity

lung capacity, a lung volume that is the sum of two or more of the four primary, nonoverlapping lung volumes. Kinds include functional residual capacity, inspiratory capacity, total lung capacity, vital capacity.

The various lung volumes and capacities. ERV, expiratory reserve volume; FRC, functional residual capacity; FVC, forced vital capacity; IC, inspiratory capacity; IRV, inspiratory reserve volume; RV, residual volume; TLC, total lung capacity; VC, vital capacity; VT, tidal volume. (Koeppen and Stanton, 2010)