The circulatory system

THE CIRCULATORY SYSTEM
heart – blood
blood vessels: arteries, veins and capillaries

What is the function of the circulatory system?

The circulatory system moves blood around the body.
It delivers nutrients, oxygen and water to all the cells in the body.

The circulatory system consists of

• the heart,
• the blood
• and the blood vessels.

The circulatory system of the human body
Source | Happy Learning English