The heart is a muscular organ which is the epicentre of health. It is the size of a fist and works to power the circulatory system and supply nutrients to the cells in the whole body. It plays a crucial role in the human body as it pumps blood throughout the body. It ensures that all the body parts are getting proper nutrients and oxygen. Thus, people need to take care of their hearts so that they can perform their work to the fullest. People having any issues with their heart must visit a cardiologist in Delhi as early as possible.