CIRCULATORY SYSTEM

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The circulatory system consists four major components:

The : About the size of adult hands held together, heart rests near the of the chest. Thanks consistent pumping, the heart the circulatory system working all times.
Arteries: Arteries oxygen-rich blood away from heart and where it to go.
Veins: Veins deoxygenated blood to the where they receive oxygen.
: Blood is the transport of nearly everything within body. It transports hormones, , oxygen, antibodies, and other things needed to keep body healthy.