The peripheral chemoreceptors that respond to oxygen levels of the blood and regulate heart activity are located in
A) the left ventricle.
B) the infundibulum of the hypothalamus.
C) structures near the carotids and aortic arch.
D) the medulla oblongata.
E) the right ventricle.

Question

Quizplus · Accepted Answer

Peripheral chemoreceptors that respond to oxygen levels in the blood and help regulate heart activity are located in structures near the carotids (carotid bodies) and the aortic arch (aortic bodies), not in the heart or brain regions listed.

The Peripheral Chemoreceptors That Respond to Oxygen Levels of the Blood