The Exchange of Gases Between the Cells and the Blood

Question

The exchange of gases between the cells and the blood is called
A) cellular respiration
B) external respiration
C) internal respiration
D) pulmonary ventilation

Accepted Answer

Internal respiration refers to the exchange of gases between the cells and the bloodstream, while external respiration refers to the exchange of gases between the lungs and the bloodstream. Cellular respiration refers to the process by which cells produce energy from glucose and oxygen. Pulmonary ventilation refers to the process of breathing, which involves inhaling and exhaling air. Therefore, the exchange of gases between the cells and the blood is specifically referred to as internal respiration.