Question

How does physical activity affect affect the various parts of your cardiovascular and respiratory systems?

Answer 1

Physical Activity Strengthens Your Heart and Improves Lung Function.

Step-by-step explanation:

This improves your heart's ability to pump blood to your lungs and throughout your body. As a result, more blood flows to your muscles, and oxygen levels in your blood rise. Capillaries, your body's tiny blood vessels, also widen.