Across
- 4. The _________ bronchiole is the portion of the pathway where respiration/gas exchange starts
- 5. Respiratory cells which secrete mucus
- 7. Indentation on medial side of lung
- 8. _____ alveolar cells line alveoli, specialized squamous cells for production of surfactant
- 10. The _________ bronchiole is the last segment of conduction portion of respiratory pathway
- 12. The ______ side of the tracheal wall contains elastic ligamentous membrane and trachealis muscle
- 13. Clusters of tiny, thin walled air sacs were gaseous exchange occurs
- 14. Number of secondary bronchi in the right lung
Down
- 1. _____ alveolar cells line alveoli, simple squamous epithelium (thin layer allows for gas exchange)
- 2. Space between the left and right vocal ligaments
- 3. Lipid based coating surface of alveoli to prevent collapse
- 6. The pulmonary _______ is where gas exchange actually happens
- 9. Branches of the respiratory bronchioles that lead directly to the alveoli
- 11. The ______ side of the tracheal wall is lined with c-shaped tracheal rings of hyaline cartilage and anular ligaments