Effects of exercise on cardiovascular system: cardiovascular exercise includes all aerobic such as jogging, cycling, running, rhythmic and playing games and sports. The benefits of these exercise on cardiovascular system are as follows.
(i) Increase in efficiency of heart rate, i.e., the resting heart decreases due to effects of exercise.
(ii) Increase in blood flow in body, i.e., It distributes more blood to different parts of the body during exercise.
(iii) Increase in stroke volume, i.e., amount of blood pumped by the heart per beat increases specially during endurance sports.
(iv)The cardiac output also increases with physical exercise, because of exercise heart rate as well as stroke volume increases.