Gradual increase in ventilation during moderate exercise is due to A) slightly decreased partial pressure of O₂ B) decreased O₂ consumption C) slightly decreased partial pressure of CO₂ D) decreased temperature E) reduced CO₂production

Question

Quizplus · Accepted Answer

During moderate exercise, there is an increased demand for oxygen by the muscles. As a result, there is a slight decrease in the partial pressure of oxygen (O₂) in the blood. This stimulates the respiratory center in the brain to increase ventilation, resulting in more oxygen being delivered to the muscles.

Gradual Increase in Ventilation During Moderate Exercise Is Due to