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24 February, 23:16

Explain why the heart and circulatory system is described as a double loop

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  1. 25 February, 02:47
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    The basis of our double circulatory system is all about oxygen. The first loop is called the systemic circuit. In this loop, oxygenated blood moves from the heart to our body, where it off-loads oxygen to our muscles, tissues and organs. At the same time, this blood picks up carbon dioxide and other waste products.
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