To get food and oxygen to every cell in the body and to carry waste products like CO2 and urea to where they are removed
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What circulatory system do humans have?
A double circulatory system
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What does the first circuit do?
It pumps deoxygenated blood to the lungs to take in oxygen and it then returns to the heart
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What does the second circuit do?
It pumps oxygenated blood around the body to all the other organs, the blood gives up its oxygen at the body cells and the deoxygenated blood returns to the heart to be pumped to the lungs
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