What is the cardiovascular system?

The cardiovascular system consists of the heart, blood vessels, and the approximately 5 liters of blood that the blood vessels transport. read more

The circulatory system of the lungs is the portion of the cardiovascular system in which oxygen-depleted blood is pumped away from the heart, via the pulmonary artery, to the lungs and returned, oxygenated, to the heart via the pulmonary vein. read more

Cardiovascular System Anatomy The Heart. The heart is a muscular pumping organ located medial to the lungs along the body’s midline in the thoracic region. The bottom tip of the heart, known as its apex, is turned to the left, so that about 2/3 of the heart is located on the body’s left side with the other 1/3 on right. read more

The cardiovascular system circulates oxygen and nutrients throughout the body. PIXOLOGICSTUDIO/Science Photo Library/Getty Images Heart The heart is the organ that supplies blood and oxygen to all parts of the body. read more