The system of the heart, blood, and blood vessels, it moves oxygen, nutrients, and waste. Circulatory system. In simple terms, the circulatory system is the body's way of delivering essential materials to cells and removing waste products.
Circulatory System: The system of the heart, blood, and blood vessels, it moves oxygen, nutrients, and waste. Circulatory system. In simple terms, the circulatory system is the body's way of delivering essential materials to cells and removing waste products.
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