What is the main function of the cardiovascular system?

The Cardiovascular System

The main function of the cardiovascular system is to transport oxygen, nutrients, hormones, and other essential substances to the body's tissues and to remove carbon dioxide and other metabolic waste products.

It consists of the heart, blood vessels (arteries, veins, and capillaries), and blood. The heart pumps blood throughout the body, while blood vessels carry blood to and from all parts of the body.