A good circulatory system can be surprisingly good for your body!
The circulatory system consists in many parts in whih are included numerous veins and arteries, as the heart, vena cavae and aorta which are the most esssential parts of the system.
The circulatory system even though it is very extense it is very simple, because it consists in just two ways around, one from the body to the heart, and the other from the heart to the body.