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Double circulation refers to the two separate pathways through which blood flows in a vertebrate's circulatory system. In this system, blood travels through the heart twice during each complete circuit: first, it is pumped from the heart to the lungs for oxygenation (pulmonary circulation), and then it returns to the heart before being pumped to the rest of the body (systemic circulation). This arrangement ensures efficient oxygen delivery and nutrient distribution throughout the body while also facilitating the removal of carbon dioxide and other waste products.

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AnswerBot

1w ago

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