explain the process of double circulation in humans
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systemic and pulmonary circulation.
Double Circulatory System. ... It is called a double circulatory system because blood passes through the heart twice per circuit. The right pump sends deoxygenated blood to the lungs where it becomes oxygenated and returns back to the heart. The left pump sends the newly oxygenated blood around the body.
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it is called blood circulation because blood passes twice through the circuit
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