Very basically the blood provides the body's working muscles with oxygen. During a work-out, the muscles are using up more oxygen than they would at rest. Various mechanisms transmit this information to the heart which increases the heart rate to push blood through the lungs around the body faster to get more oxygen to the muscles.
circulation
Proper warm up is the best way to prepare your cardiovascular system for exercise.
There are no negative effects of exercise on the cardiovascular system, much on the contrary. Of course, you need to be in good coronary conditions in order to practice most cardiovascular sports and exercise like walking, running, swimming, etc. but even if you have a condition it will be beneficial if practised moderately.
heart
Yes. In fact, it is a fitness test of the cardiovascular system.
Yes!! Exercise has many health and mood benefits!!
cardiovascular exercise help improve your cardiovascular system (lungs, heart, veins, and arteries) it will help you develop endurance, lose weight, and more importantly live longer.
yes
The answer would be exercise
Regular exercise has a positive impact on the cardiovascular system by strengthening the heart muscle, improving blood circulation, lowering blood pressure, and reducing the risk of heart disease.
Regular exercise, coupled with a balanced diet.
Yes, it works out your cardiovascular system, a.k.a. your heart.