Across
- 6. Between pharynx and trachea
- 8. Primary muscle of respiration
- 10. Triangle-shaped posterior muscle
- 11. Muscles between ribs
- 15. Increased volume decreases air pressure
- 17. Sternum section, clavical and first rib attachments
- 19. Site of pulmonary gas exchange
- 20. Number of true ribs
- 21. Blood vessels in pulmonary gas exchange
- 23. 6-Pack Muscle
Down
- 1. Posteriormost vertebral prominence
- 2. Muscle with sternal, clavicular, and mastoidal connections
- 3. First bronchial split
- 4. Max expiration after max inspiration, and vice versa
- 5. The spinal cord travels through vertebral ___
- 7. Alveolar lining cells
- 9. Cervical Vertebra 2
- 12. Inferiormost portion of vertebral column
- 13. Relaxed breathing
- 14. Cartilage in tracheal rings
- 16. Muscle inferior to the clavicle
- 18. Space afforded by the left lung to the heart
- 19. Rests and pivots atop 9 Down
- 22. Number of thoracic vertebrae