Serves as a muscular pump that circulates blood throughout the body

It consists of arteries, capillaries and veins that are connected to the heart and transport blood to all tissues of the body.

Contains four chambers namely left atrium, right atrium, left ventricle and right ventricle.

The muscular wall that separates the space on the left and the space on the right of the heart.

Transporting deoxygenated blood from the heart to the lungs

Transports oxygenated blood from the lungs to the heart.

It is the main blood artery that transports oxygenated blood throughout the body.

It is the main vein that transports deoxygenated blood back to the heart

Located between the lungs in the thoracic cavity and contains four chambers namely the left atrium, right atrium, left ventricle and right ventricle.