Question

7. Explain why there is a difference in the amount of oxygen taken in at rest and during the vigorous activity, (2​

Answer 1

Answer:

Physical exercise leads to an increase in the arteriovenous oxygen difference in all individuals. As exercise intensities increase, the muscles increase the amount of oxygen they extract from the blood, and this therefore results in further increases in a-vO2 diff.

Explanation:

Answer 2

Exercise intensities increase and the muscles increase the amount of oxygen they extract from the blood