The respiratory center is very sensitive to changes in ________ levels, but not very sensitive to changes in ________ levels.

Question

Quizplus · Accepted Answer

The respiratory center in the brainstem is primarily sensitive to changes in carbon dioxide levels in the blood. When carbon dioxide builds up, it leads to an increase in acidity levels, which triggers the respiratory center to increase the rate and depth of breathing, to eliminate carbon dioxide and restore normal blood pH. The respiratory center is not as sensitive to changes in oxygen levels in the blood, as oxygen levels can drop without necessarily affecting blood pH.

The Respiratory Center Is Very Sensitive to Changes in ________