what is double circulatory system
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The human circulatory system is a double circulatory system. It has two separate circuits and blood passes through the heart twice: the pulmonary circuit is between the heart and lungs. the systemic circuit is between the heart and the other organs.
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Double circulation refers to two times flow of blood through heart. First, in form of systemic circulation and in pulmonary circulation. Ist:- oxygenated blood from lungs move to heart via pulmonary veins. From pulmonary veins, blood enter in left atrium and then left ventricle.
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