Circulatory system has three main parts—the heart, the blood and the blood vessels. Heart pumps the blood into the blood vessels. Blood vessels circulate the blood throughout the body. And blood on its way during circulation carries nutrients and oxygen to each and every cell of the body. read more
The circulatory system consists of four major components: The Heart: About the size of two adult hands held together, the heart rests near the center of the chest. Thanks to consistent pumping, the heart keeps the circulatory system working at all times. Arteries: Arteries carry oxygen-rich blood away from the heart and where it needs to go. read more
The three main parts of the circulatory system are the heart, the blood and the blood vessels. read more