What do you mean by double circulation why it is important

1.	What do you mean by double circulation why it is important
Answer» When the blood travels twice through the heart it is known as double circulation... HOPE IT HELPS..... Sorry it was pulmonary circulation and systemic circulation In Double circulation blood comes to the heart twice and goes away from the heart two times.It includes pulmonary circulation and double circulation.Double circulation is necessary because it prevents the mixing of blood and helps maintain the body temperature of an organism.

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