Parts of the heartOnline version Diagram quiz on the different parts of the human heart by Margaret Watson 1 Superior Vena Cava 2 Pulmonary Artery 3 Pulmonary Veins 4 Mitral Valve 5 Aortic Valve 6 Left Ventricle 7 Right Ventricle 8 Left Atrium 9 Right Atrium 10 Aorta 11 Pulmonary Valve 12 Tricuspid Valve 13 Inferior Vena Cava 14 Septum