The heart the most important body organ in humans and other animals, That pumps blood and nutrients throughout the body through the network of blood vessels.
The heart is located at the centre of the chest slightly left between the lungs. Heart assists in the removal of metabolic wastes, maintain homeostasis, maintain fluid balance in the body.
Human Heart is divided into four chambers upper two chambers are left atrium and right atrium and two lower chambers are left ventricle and right ventricle. The 4th chamber is left ventricle and it is the most important chamber.