The receptors that are stimulated when blood PO? drops below 60 mm Hg are located in the
A) respiratory center of the brain.
B) carotid and aortic bodies.
C) tissue capillaries.
D) two of these answers are correct.
E) all of these answers.

Question

Quizplus · Accepted Answer

The receptors that are stimulated when blood PO? drops below 60 mm Hg are located in the carotid and aortic bodies, which are specialized chemoreceptors located in the walls of the carotid and aortic arteries. These chemoreceptors respond to changes in blood oxygen, carbon dioxide, and pH levels, and provide input to the respiratory center in the brain to regulate breathing rate and depth.

The Receptors That Are Stimulated When Blood PO? Drops Below