Label the HeartOnline version Fill in the blanks on this heart image. by Rebecca Edmiston 1 Superior Vena Cava 2 Right Atrium 3 Right Atrioventricular Valve 4 Right Ventricle 5 Inferior Vena Cava 6 Aortic Arch 7 Left Pulmonary Arteries 8 Pulmonary Semilunar Valve 9 Left Atrium 10 Left Pulmonary Veins 11 Left Atrioventricular valve 12 Left Ventricle