Question

State the reasons for the changes in breathing rate.​

Answer 1

Explanation:

Factors Influencing Breathing

Chemical- carbon dioxide, hydrogen ions and oxygen levels are the most important factors that regulate respiration. ... If CO2 levels increase, the respiratory center( medulla and pons) is stimulated to increase the rate and depth of breathing.

Answer 2

Answer:

Here is the answer

Explanation:

As your level of activity increases, your breathing rate increases to bring more air (oxygen) into your lungs so that your lungs can pump more oxygen into your blood and out to your muscles.