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.
the oxygenated blood from the lungs returns to the heart, which is pump again into different parts of the body by the heart. thus, the blood passes twice through the heart making one complete round throw the body. this is called double circulation of human heart
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Answer:
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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Answer:
the oxygenated blood from the lungs returns to the heart, which is pump again into different parts of the body by the heart. thus, the blood passes twice through the heart making one complete round throw the body. this is called double circulation of human heart