The circulatory system, also called thecardiovascular system or the vascular system, is an organ system that permitsblood to circulate and transport nutrients(such as amino acids and electrolytes),oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment and help in fighting diseases, stabilize temperature and pH, and maintain homeostasis. The study of the blood flow is called hemodynamics. The study of the properties of the blood flow is calledhemorheology.
The system that circulates blood and lymph through the body, consisting of the heart, blood vessels, blood, lymph, and the lymphatic vessels and glands.
is a vast network of organs and vessels that is responsible for the flow of blood,nutrients,hormones,oxygen and other gases to and from cells.