Levels of which of the following are responsible for regulating respiratory activities under normal conditions?
A) oxygen
B) carbon dioxide
C) bicarbonate ion
D) sodium ion
E) hemoglobin

Question

Quizplus · Accepted Answer

Carbon dioxide levels in the blood are the primary regulator of respiratory activity under normal conditions. As CO2 levels increase, the body increases respiratory rate and depth to remove excess CO2 and maintain proper pH levels in the blood.

Levels of Which of the Following Are Responsible for Regulating