![](../Images/Website%20Images/clearpixel.gif) |
![](../Images/Website%20Images/clearpixel.gif) |
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1. descending aorta |
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2. esophagus |
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3. trachea |
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4. left primary bronchus |
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5. right secondary bronchus |
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![](../Images/Website%20Images/clearpixel.gif) |
6. superior vena cava |
7. inferior vena cava |
8. coronary sinus |
9. coronary artery bypass |
10. pulmonary veins |
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![](../Images/Website%20Images/clearpixel.gif) |
11. right atrium |
12. left ventricle |
13. left atrium |
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