HEART DIAGRAM
1. ascending aorta
2. superior vena cava
3. right pulmonary artery
4. right pulmonary veins
5. right atrium
6. tricuspid valve
7. right ventricle
8. inferior vena cava
9. left pulmonary artery
10. left pulmonary veins
11. left atrium
12. bicuspid valve
13. aortic semilunar valve
14. left ventricle
15. descending aorta