What happens to pH and breathing rate during exercise?
A)pH decreases,which causes breathing rate to increase.
B)pH decreases,which causes breathing rate to decrease.
C)pH increases,which causes breathing rate to increase.
D)pH increases,which causes breathing rate to decrease.

Question

Quizplus · Accepted Answer

During exercise, muscles produce more carbon dioxide, which reacts with water to form carbonic acid. The increase in carbonic acid decreases the pH of the blood, leading to an increase in breathing rate to eliminate the excess carbon dioxide and return the pH to normal.

What Happens to PH and Breathing Rate During Exercise