The Circulatory System
The circulatory System is responsible for transporting materials throughout the entire body. It transports nutrients, water, and oxygen to your billions of body cells and carries away wastes such as carbon dioxide that body cells produce.
ID: 2633277 Language: English School subject: Science Grade/level: 6 Age: 9-11 Main content: The main organ of the circulatory system is the heart. Other contents:
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