Answer:
A. decreased risk of developing certain diseases
Explanation:
Benefits of regular physical activity
If you are regularly physically active, you may: <u>reduce your risk of a heart attack. manage your weight better. have a lower blood cholesterol level.</u>
Answer:
The circulatory system is divided into systemic circulation and pulmonary circulation.
Explanation:
Systemic circulation carries oxygenated blood from the left ventricle to the rest of the body while pulmonary circulation carries deoxygenated blood away from the right ventricle.
Answer:
He will need to increase the frequency
Explanation: