respiratory system sally

1234567891011121314151617
Across
  1. 4. Lung with three lobes
  2. 7. Type of cartilage in trachea
  3. 8. incomplete ventral 15-20 rings prevents collapse and also permits expansion during swallowing
  4. 9. Type of cartilage in epiglottis
  5. 10. Connects nasopharynx to middle ear and allows equalization of air pressure
  6. 13. Trachea starts from this vertebrate
  7. 14. Trachea is absent; Pharynx and Larynx is connected straightaway to lung
  8. 15. A cartilage and two bones divides nostrils into 2: the vomer and the perpendicular plate of the ethmoid bone
  9. 17. Serous membrane of lung
Down
  1. 1. The trachea is lined with a layer of this tissue
  2. 2. Scientific name for throat
  3. 3. Lung with cardiac notch and two lobes
  4. 5. An endocrine gland attached laterally to trachea
  5. 6. Mucous secreting cell
  6. 11. Protrusion of thyroid cartilage evident in males
  7. 12. Trachea bifurcates at T5
  8. 16. Another name for pharyngeal tonsil hanging from nasopharynx