Answer:
Heart is an organ that is present on the left side of the chest, encased inside the rib cage. The rib cage protects the heart from shocks and sudden pressures that the heart might not be able to bear.
The heart pumps the blood throughput the body and makes sure the body remains warm due to the flow of blood. It is the energy house of the body and one of the most important organs. It has 4 atrium.
