Question

4. Why does the rate of breathing increase while walking uphill at a normal pace in the mountains?​

Answer 1

Answer:

Our body needs more oxygen while climbing up hill as hemoglobin does carry sufficient oxygen to the cell for cellular respiration. So, to increase the amount of oxygen, the rate of breathing increases.

Answer 2

Explanation:

Our body needs more oxygen while climbing up hill as hemoglobin does carry sufficient oxygen to the cell for cellular respiration. So, to increase the amount of oxygen, the rate of breathing increases.