Internal view of the heart

Aorta

Aortic valve

Chordae tendineae

Endocardium

Epicardium

Inferior vena cava

Left atrium

Left pulmonary artery

Left pulmonary veins

Left ventricle

Mitral valve

Myocardium

Papillary muscle

Pulmonary trunk

Pulmonary valve

Right atrium

Right pulmonary artery

Right pulmonary veins

Right ventricle

Superior vena cava

Tricuspid valve