The Use of Oxygen for Cell Metabolism is Called

Question

The use of oxygen for cell metabolism is called
A) cellular respiration
B) external respiration
C) internal respiration
D) pulmonary ventilation

Accepted Answer

Cellular respiration is the process by which cells use oxygen to produce energy from glucose. External respiration refers to the exchange of oxygen and carbon dioxide between the lungs and the environment, while internal respiration refers to the exchange of gases between the blood and the body's tissues. Pulmonary ventilation refers to the movement of air in and out of the lungs.