Question

Explain the double circulation of heart​

Answer 1

Answer:

Explanation:sorry

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Answer 2

Explanation:

The double circulation is seen in 4 chambered heart mainly .

because blood travels through the heart two times.

First the blood is brought to the heart through inferior veinacava and superior veinacava

(its first time)

then the blood from heart passes to lungs for purification through pulmonary artery.

again the blood comes to the heart after purification.

hope it is useful