The entire sequence of events involved in the exchange of O₂ and CO₂ between the body cells and the surrounding environment is known as
A)internal respiration
B)external respiration
C)ventilation
D)breathing
E)ventilation and breathing

Question

Quizplus · Accepted Answer

External respiration refers to the exchange of oxygen and carbon dioxide between the body and the external environment, while internal respiration refers to the exchange of gases between the blood and tissues. Ventilation refers to the movement of air in and out of the lungs, and breathing is the physical act of inhaling and exhaling. Therefore, the entire sequence of events involved in the exchange of gases between the body and the environment is best described as external respiration.

The Entire Sequence of Events Involved in the Exchange of O₂