Answer:
1. De-oxygenated blood from the superior & inferior vena cava empties into the right atrium
2. Through the tricuspid valve
3. Into right ventricle
4 Through pulmonary semi-lunar valve
5. Pulmonary artery (unique* carries de-oxygenated blood)
6. Lungs
7. Pulmonary veins (unique* carries oxygenated blood)
8. Left atrium
9. Through bicuspid valve/mitral valve
10. Left ventricle
11. Through Aortic semi lunar valve
12. Aorta
Explanation:
