Question

How many circuits are there in double circulation? Expain them.​

Answer 1

Answer:

2

Explanation:

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 2

Answer:

it has two separates circuit and blood passes through thé heart twice. the pulmonary circuit is between the heart and lungs the systemic circuit is between the heart and the other organs

Explanation:

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