Question

what is the difference between normal circulation of blood in the heart and double circulation ??

Answer 1

The normal circulation of blood in the human heart has double circulation only. It has the following two circulations:

Pulmonary circulation: Flow of deoxygenated blood from the heart to the lungs and back to the heart after purification.

Systemic circulation: Flow of oxygenated blood from the heart to the rest of the body and collection of deoxygenated blood from the body to the heart.