The heart is a muscular organ that serves to collect deoxygenated blood from all parts of the body, carries it to the lungs to be oxygenated and release carbon dioxide. Then, it transports the oxygenated blood from the lungs and distributes it to all the body partsThe heart pumps around 7,200 litres of blood in a day throughout the body.The heart is situated at the centre of the chest and points slightly towards the left.On average, the heart beats about 100,000 times a day, i.e., around 3 billi