Across
- 2. Tear Maker
- 3. chest boundary
- 7. holes in walls adjacent to alveoli
- 8. left lung connector
- 10. separates thorax and abdomen
- 16. moves chest
- 18. separates lung lobes
- 19. covered by cervical pleura
- 20. breath sac
Down
- 1. moves blood to lungs
- 4. drains left upper lobe
- 5. between heart and sternum
- 6. Lung Sacs
- 9. food tube
- 11. covers lungs
- 12. rib connector
- 13. pump
- 14. base of respiratory tree
- 15. space between pleura
- 17. Wind Pipe