1. Increase in heart rate :- When an individual starts exercise, his heart rate increases as per the intensity and duration of exercise.
2. Increase in stroke volume :- Stroke volume increases proportionally with exercise intensity. It is measured in ml/ beat.
3. Increase in cardiac output :- Cardiac output increases proportionally with the intensity of exercise’s is measured in ltr/ mintue.
4. Increases in blood flow :- Cardio-vascular can be distribute more blood to those tissues which have more demand and less blood & those tissues which have less demand for exygen. The blood is moved away from the main organs such as lever, intestine and kidney in fact it is redirected to the skin to enhance heat loss.
5. Increase in blood pressure :- During the exercise, systolic blood pressure can increase while diastolic blood pressure usually remains unchanged even during the intensive exercise.
