Question

Pulmonary ventilation is best defined as
a. the movement of gases across the respiratory membrane.
b. the exchange of gases between the blood in the systemic capillaries and the tissues
c. the physical movement of air into and out of the lungs.
d. the movement of gases through the blood.

Answer 1

Answer: c. the physical movement of air into and out of the lungs.

Explanation:

Pulmonary ventillation is also called as breathing. This is the process which involves the inhalation or physical entry of air inside the lungs this process is called as inspiration. And the flow out of air out of the lungs is called as exhalation. The flow of air creates a pressure difference between the atmosphere and the lungs.