Breathing rate increases during exercise due to
A) signals from the cerebral cortex to the respiratory areas when it also signals skeletal muscles to contract.
B) stimulation of the respiratory areas by decreasing blood concentration of oxygen and increasing blood concentration of carbon dioxide.
C) a joint reflex.
D) all of the above.

Question

Quizplus · Accepted Answer

Breathing rate increases during exercise due to multiple factors: signals from the cerebral cortex, changes in blood gas concentrations, and joint reflexes all contribute to the regulation of breathing during physical activity.

Breathing Rate Increases During Exercise Due to