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Across 4. posterior, nasal passages; superior, uvula 6. rounded part of lungs 7. common passageway for digestive and respiratory 9. fissure on right lung, creates right middle lobe 11. terminal bronchioles leads to even smaller tubes 13. bronchi divides into 14. bronchi thats shorter, broader, and more vertical 18. formed by sternum and ____ 20. primary bronchi branches into 22. bronchioles leads to extremely fine tubules 23. "windpipe", muscular tube, 16-20 C-shaped rings 25. surface that primary bronchi enters the lungs 27. supports walls of pleural cavity and the diaphragm, protects the heart and lungs 30. concave depression, pulmonary vessels enter and exit here 31. lungs move superiorly and medially 32. structure on left lung, between heart, and chest wall 33. sits below the right lung

Down 1. expiration moves diaphragm to be relaxed, rising, and also becomes 2. inspiration from bases of the lungs move deeply into recesses 3. lungs move inferiorly and laterally 5. the end of the alveolar ducts 8. cartilage rings in the trachea to give extra strength 10. left lung has a depression for heart 12. first divisons are the ____bronchi 15. left lung has ___lobes 16. broad part of lungs that rests on diaphragm 17. inspiration moves diaphragm inferiorly and _____ 19. four divisions; pharynx, trachea, bronchial tree, lungs 21. extends from uvula to the hyoid bone 24. final elongated structure of a segment of the trachea tube, breaks into the bronchical tree 26. light, spongy parenchymal tissue 27. several subdividions that form the tree 28. right lung has ___lobes 29. fissure divides lungs into inferior and superior lobes