What is the main function of the circulatory system?

The cardiovascular system consists of the heart, blood vessels, and blood. This system has three main functions: Transport of nutrients, oxygen, and hormones to cells throughout the body and removal of metabolic wastes (carbon dioxide, nitrogenous wastes). read more

One primary function of the circulatory system is completed by pulmonary circulation. During pulmonary circulation, blood rich in oxygen is pumped into the left atrium of the heart from the lungs, whereas blood low in oxygen exits the heart through the right ventricle to the lung. read more

The human circulatory system keeps blood, oxygen and nutrients flowing through the body. A description of the circulatory system's function, organs and diseases that affect it. 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