CIRCULATORY SYSTEM

The role of the circulatory system is twofold: It delivers oxygen and nutrients to all parts of the body while picking up waste materials and toxins that need to be eliminated. It accomplishes this monumental task through a network of blood vessels and the heart.


	CIRCULATORY SYSTEM The role of the circulatory system is twofold: It delivers oxygen and nutrients to all parts of the body while picking up waste materials and toxins that need to be eliminated. It accomplishes this monumental task through a network of blood vessels and the heart.