ANATOMY

Detailed explanation-1: -The heart is a fist-sized organ that pumps blood throughout your body. It’s the primary organ of your circulatory system. Your heart contains four main sections (chambers) made of muscle and powered by electrical impulses. Your brain and nervous system direct your heart’s function.

Detailed explanation-2: -Heart muscle makes up one of the earliest functioning embryonic organs that continues to contract and beat from development throughout a lifetime. Supplied by a complex system of coronary vasculature, cardiac lymphatics, and autonomic innervation, cardiomyocytes line the thickest layer of every chamber of the heart.

Detailed explanation-3: -The heart is a major organ of the cardiovascular system, that includes the blood vessels that carry blood from the heart to the body and back to it. The heart is situated underneath the rib cage, to the center of the chest and between the lungs.

Detailed explanation-4: -Your heart has 4 chambers. The upper chambers are called the left and right atria, and the lower chambers are called the left and right ventricles. A wall of muscle called the septum separates the left and right atria and the left and right ventricles.

Detailed explanation-5: -Heart. Your heart is at the front of your chest on your left hand side. It is between the two lungs.