The circulatory system is a composed of the heart, arteries, capillaries and veins. It serves to transport blood low in oxygen from the body to the lungs and heart (veins) and oxygenated blood from the lungs and heart throughout the body (arteries). (see heart, blood).
CIRCULATORY SYSTEM
Meaning of CIRCULATORY SYSTEM in English
English dictionary of medicine. Английский словарь медицины. 2012