function of the heart in point
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→ It's the muscle at the centre of your circulation system, pumping blood around your body as your heart beats.
→ This blood sends oxygen and nutrients to all parts of your body, and carries away unwanted carbon dioxide and waste products.
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Blood carries oxygen and other important nutrients that all body organs need to stay healthy and to work properly.
Your heart is a muscle, and its job is to pump blood throughout your circulatory system.
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