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.
blood is pumped by heart two times per cycle
Explanation:
it is present in mamals
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Answers & Comments
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.
Answer:
blood is pumped by heart two times per cycle
Explanation:
it is present in mamals