The Movement of Air into and Out of the Lung

Question

The movement of air into and out of the lung is called
A) cellular respiration
B) external respiration
C) internal respiration
D) pulmonary ventilation

Accepted Answer

Pulmonary ventilation refers to the movement of air into and out of the lungs, which involves inhalation and exhalation. Cellular respiration is the process by which cells in the body produce energy, while external and internal respiration refer to the exchange of gases between the lungs and blood and between the blood and body tissues, respectively.