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Description of the main functions of the circulatory system

User Wmock
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The one ubove me is correct!
User Juuro
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The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide

User Wasim Khan
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