Increased carbon dioxide triggers an increased breathing rate,so how does this relate to a potential oxygen demand?

Question

Quizplus · Accepted Answer

Increased carbon dioxide is a product of increased cellular respiration, and increased cellular respiration requires increased oxygen. Therefore, an increase in carbon dioxide triggers an increased breathing rate to meet the potential demand for oxygen. The control of carbon dioxide levels is also mediated by the pH of the blood.

Increased Carbon Dioxide Triggers an Increased Breathing Rate,so How Does