Question

what is double circulation?what is its importance?​

Answer 1

Double circulation is the circulation of blood twice times from the organs to the heart and from heart and back to the organs, and vice-versa. It is important in purifying the blood by lungs in the higher organisms, who need more oxygen to make energy.

Answer 2

Answer:

Double circulation is a process during which blood passes twice through the heart during one complete cycle. It take place in mostly Birds And Mammals.

Importance

This double circulatory system is important because it ensures provision of oxygenated blood to the muscle and not a mixture of oxygenated and de-oxygenated blood. Hence, this system ensures efficient supply of oxygenated blood to the muscles.