Your Heart is a Self-Sufficient Beater

Your heart can generate its own electrical impulses (i.e., action potentials) because it is constantly depolarizing. Therefore, it can beat even after it's removed from the body. heart Transplants are possible due to the fact that the heart only requires oxygenated blood supply to continue beating on its own. After transplants, surgeons don’t really reconnect the nervous system to the new heart and will just leave it working independently, and it will continue to work fine.