Circulatory System of Humans

Blood

A type of connective tissue consisting of plasma, blood cells and platelets

Heart

Serves as a muscular pump that circulates blood throughout the body

Blood vessels

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

Heart structure

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

Septum

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

Pulmonary artery

Transporting deoxygenated blood from the heart to the lungs

Pulmonary vein

Transports oxygenated blood from the lungs to the heart.

Aorta

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

Vena cava

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

The location of 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.