The carotid and aortic bodies will communicate with the primary respiratory center when
A)blood oxygen levels are low.
B)blood carbon dioxide levels are low.
C)blood oxygen levels are high.
D)blood acidity is high.

Question

Quizplus · Accepted Answer

Carotid and aortic bodies respond to low oxygen levels in the blood, which can activate the primary respiratory center to increase breathing rate and depth in order to bring in more oxygen and expel more carbon dioxide.

The Carotid and Aortic Bodies Will Communicate with the Primary