When at rest, the amount of air that enters and leaves the lungs in a normal respiratory cycle is the
A) total lung capacity.
B) vital capacity.
C) tidal volume.
D) residual volume.
E) inspiratory volume.

Question

Quizplus · Accepted Answer

When at rest, the amount of air that enters and leaves the lungs in a normal respiratory cycle is the tidal volume. This is the amount of air that is breathed in and out during a normal, quiet breath.

When at Rest, the Amount of Air That Enters and Leaves