Exercise increases cardiac output, which in turn strengthens the heart. Since the muscles of the legs are the biggest ones you have, then exercises using the legs are efficient at increasing cardiac output.
But running is high impact and is "bad" for your knees ... so swim or ride a bike in preference.
Smoking cigarettes is damaging to your cardiovascular system, as well as your lungs. There is no benefit. Don't smoke.
Cardiovascular, Respiratory, Nervous, Skeletal systems are use in running and walking
Fast walking is cardiovascular exercise. Normal walking is called as exertion. Fast walking consumes more calories than slow jogging per mile.
Yes. Cardiac output is increased by any form of aerobic exercise.
Easy exercises that improve your cardiovascular system include light jogging and running, or vigorous weight training or walking. So long as your heart rate is elevated, you are doing fine.
Circulatory system and Cardiovascular system
Cardiovascular
The cardiovascular system sends oxygen to the muscles.
Some exercises that help the cardiovascular system are running, moderate-intensity walking, swimming, moderate-intensity dancing, kickboxing, biking etc. Really anything that gets the heart rate up and where the energy system used requires oxygen are exercises that are aerobic.
The heart is a part of the cardiovascular system.
the muscular and cardiovascular system.
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.