Question

At higher elevations, as in the mountains, there is less oxygen content in the air. How would the body respond to this ? A. The breathing center in the brain would increase the breathing rate B. Carotid bodies in the lungs would signal the brain to decrease breathing rate C. There is no mechanism for the body to respond

Answer 1

Answer

B - Carotid bodies in the lungs would signal the brain to decrease breathing rate

Explanation

The sensory nerve from the carotid body increases its firing rate hyperbolically as the partial pressure of oxygen falls.