Question

Doing blood traces in Human Anatomy and we have to trace a dropof blood from the 4th posterior intercostal vein to the diaphragm,making sure to include landmarks

I don't know about 1-9 and Not sure if what I have is rightbut....

1. 2. 3. 4. 5. 6. 7. 8. 9. LUNGS 10. leftatrium 11. bicuspid valve 12. left ventricle 13.aortic semiulnarvalve 14. ascending aorta 15. aortic arch 16. descending aorta 17.diaphragm