Across
- 3. allow esophagus to expand anteriorly and keeps trachea open
- 4. The middle space between the lungs where the heart sits
- 5. the wind pipe that
- 8. The only site of gas exchange, includes alveolar ducts, sacs, and alveoli
- 11. gas exchange between pulmonary blood and alveoli
- 13. made of elastic cartilage and located in pharynx
- 14. drains fluid from middle ear to nasopharynx
- 15. called adenoids and protect body from infection
Down
- 1. cartilage that forms the adam's apple
- 2. nostril, nasal cavity, pharynx, and larynx
- 6. located in the mucosa in the nasal cavity
- 7. Houses the heart, great blood vessels, bronchi, and esophagus
- 9. Parenchyma of the lungs
- 10. Allows the lungs to glide over the thoracic walls when breathing
- 12. the passageway that is inferior to the laryngopharynx (food and fluid pass through here)