The major regulator of respiration is the plasma concentration of ________.
A) oxygen
B) carbon dioxide
C) water vapor
D) nitrogen
E) chloride

Question

Quizplus · Accepted Answer

The major regulator of respiration is the plasma concentration of carbon dioxide (CO2). Changes in CO2 levels are detected by chemoreceptors, which then adjust the rate and depth of breathing to maintain homeostasis.

The Major Regulator of Respiration Is the Plasma Concentration of ________