Question

Briefly mention the steps in double-circulation through human heart.

Answer 1

The heart of human beings consists of two sides - right and left. The right side of the heart receives deoxygenated blood from different body parts and sends it further for purification to the lungs. The left side of the heart receives oxygenated blood from the lungs, which is pumped further and is sent to all the parts of the body through blood vessels. This is called double circulation.