In the American Heart Association's Basic Cardiology conference in Portland, Oregon, USA, researchers in Sweden presented the technique of turning rat heart into human heart.
Heart is an active body in the human body, can pump 7,600 liters of blood every day to feed the body.
A motorbike accident in Italy caused a man's heart to rotate inside his body and migrate to the right of his chest.
Scientists are cultivating human hearts in the laboratory. This research can bring hope to millions of people with cardiovascular disease worldwide.