Across
- 1. looks like small clusters of grapes
- 4. stopes trachea from collapsing
- 6. alveoli is made of this epithelium cell
- 7. breathing in
- 9. muscles between rubes
- 10. a piece of cartilage acts like a lid over the larynx
Down
- 2. these are spongy tissues filled with alveoli, blood vessels and nerves
- 3. is produced in the goblet cells
- 5. infection of voice box
- 8. chest cavity enclosed by ribcage