Circulatory, Lymphatic, Respiratory System

Front

Endocardium

Back

Inner lining of the heart chambers and valves

Front

Myocardium

Back

Thick, muscular middle layer of the heart responsible for pumping

Front

Pericardium

Back

Protective sac surrounding the heart

Front

Right Atrium

Back

Receives deoxygenated blood from the body

Front

Right Ventricle

Back

Pumps deoxygenated blood to the lungs

Front

Left Atrium

Back

Receives oxygenated blood from the lungs

Front

Left Ventricle

Back

Pumps oxygenated blood to the body

Front

Tricuspid Valve

Back

Valve between right atrium and right ventricle

Front

Pulmonary Valve

Back

Valve between right ventricle and pulmonary artery

Front

Mitral (Bicuspid) Valve

Back

Valve between left atrium and left ventricle