During most daily activities, the human respiration rate is most closely linked to the blood levels of ________.
A) nitrogen
B) oxygen
C) carbon dioxide
D) carbon monoxide

Question

Quizplus · Accepted Answer

The human respiration rate is regulated by the level of carbon dioxide in the bloodstream. When carbon dioxide levels rise, the body increases its respiration rate in order to expel the excess carbon dioxide and maintain appropriate oxygen and pH levels in the blood.

During Most Daily Activities, the Human Respiration Rate Is Most