ANATOMY

Detailed explanation-1: -The heart is a large, muscular organ that pumps blood filled with oxygen and nutrients through the blood vessels to the body tissues. It’s made up of: 4 chambers. The 2 upper chambers are the atria.

Detailed explanation-2: -Your heart is roughly the size of a fist and sits in the middle of your chest, slightly to the left. It’s the muscle at the centre of your circulation system, pumping blood around your body as your heart beats.

Detailed explanation-3: -Heart, a muscular organ that pumps blood throughout your body. Blood vessels, which include your arteries, veins and capillaries.

Detailed explanation-4: -The heart pumps blood along with the network of arteries and veins forming the ‘Cardiovascular system’. Hence, the Heart is the organ that pumps blood throughout the body.