Question

The amount of air that enters the lungs during normal, restful breathing is called the _____.

• A. vital capacity
• B. tidal volume
• C. total lung capacity
• D. expiratory reserve volume

Answer 1

The correct option is B

tidal volume

The volume of air inspired (enters the lungs) or expired (leaves the lungs) during normal respiration is called tidal volume, which is usually around 500 ml.