Identify the following:

1. trachea

2. esophagus

3. right common carotid artery

4. left common carotid artery

5. left vertebral artery

6. right vertebral artery

7. right internal jugular vein

8. left internal jugular vein

9. right lobe of thyroid gland

10. left lobe of thyroid gland

11. left ventricle