Direction: An anterior view of the heart is shown here. Match each structure listed with the correct letter in the figure.
1. right atrium
2. right ventricle
3. left atrium
4. left ventricle
5. superior vena cava
6. ascending aorta
7. aortic arch
8. brachiocephalic trunk
9. left common carotid artery
10. left subclavian artery
11. pulmonary trunk
12. left pulmonary arteries
13. ligamentum arteriosum
14. left pulmonary veins
15. right coronary artery
16. circumflex artery
17. anterior interventricular artery
18. apex of heart
19. great cardiac vein
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