Circulatory+System

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**Circulatory System**
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 * The 3 main parts of the circulatory system is the heart, arteries, and veins.
 * Heart - an organ that is a muscle that pumps blood.
 * Arteries - blood vessels that carry the blood away from the heart. The blood is high in oxygen.
 * Veins - blood vessels that take the blood from the cells back to the heart. This blood contains less oxygen.
 * The circulatory system transports oxygen to the cells.
 * The circulatory system moves blood throughout the body.
 * The circulatory system aids or helps in removing waste from the body.

[|Diagram of the Hear]t