Question

An organ that maintains the circulation of blood is called?

Answer 1

heart is that organ

hope it helps

BĖ BŔĀİÑŁÝ.....

Answer 2

The heart is hollow and thus muscular organ could be taken with thoracic cavity and able to discuss with circulation of blood.

This should guide in delivering by a membrane and thus called pericardium result.

It can flow throughout the body and thus smallest blood vessels can be taken to form a fine network of tiny vessels.