Pulmonary respiration refers to the utilization of oxygen at the tissue level.
Group of answer choices True False
The correct answer and explanation is:
The correct answer is False.
Pulmonary respiration, also known as external respiration, refers to the process of gas exchange that occurs in the lungs. This process involves the inhalation of oxygen into the lungs and the exhalation of carbon dioxide from the body. Oxygen from the air diffuses into the bloodstream through the alveoli in the lungs, while carbon dioxide diffuses out of the blood to be exhaled.
On the other hand, the utilization of oxygen at the tissue level is referred to as cellular respiration or internal respiration. Once oxygen is transported through the bloodstream and delivered to tissues, it is used in the mitochondria of cells to produce energy in the form of ATP. This process also produces carbon dioxide as a waste product, which is carried back to the lungs to be exhaled.
Pulmonary respiration is crucial because it ensures that the body maintains an adequate supply of oxygen to support cellular activities. However, the actual use of oxygen and the generation of ATP occur within the cells, not in the lungs, which is why the statement is incorrect.