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pathway of blood

1 Superior Vena Cava
2 Inferior Vena Cava
3 Right Atrium
4 Tricuspid Valve
5 Right Ventricle
6 Pulmonary Semi-Lunar Valve
7 Pulmonary Artery
8 CO2 left/ O2 received
9 Pulmonary Veins
10 Left Atrium
11 Bicuspid Valve
12 Left Ventricle
13 Aortic Semi-Lunar Valve
14 Aorta
15 O2 left/CO2 received
Created by: eschaef