What is the normal blood circulation?

In this video, Dr. Smita Mishra, Pediatric Cardiology, Associate Director - Jaypee Hospital, will explain the normal blood circulation. There are two systems in the body: pulmonary related to lungs and body. Body utilizes oxygen and lung gives oxygen. Once the body accepts oxygen, blood reaches to right side of heart and then lungs and comes to left side of heart and again circulated to the whole body.