Across
- 2. Divides in thorax into two main bronchi, flexible for bending
- 4. Conducts air and made up of pseudostratified ciliated columnar cells
- 6. Bone made up of Middle nasal concha and Perpendicular plate
- 9. Posterior to the tounge, keeps food out of the airway
- 12. Zone of the respiratory system that transports, filters, humidifies & warms air
- 13. Produce vocalizations, provides an open airway, has mechanism to route air and food into proper channels
Down
- 1. Lined with skin containing sebaceous, sweat glands and nose hairs
- 3. Respond to changes in blood chemistry, central ones found in medulla
- 5. Give spongy consistency to lungs
- 7. When diaphragm relaxes
- 8. Provides airway, and has olfactory receptors
- 10. Flattened sac of serous membrane around each lung
- 11. Detergent like substance that decreases tension