Across
- 3. There are two of these divided into left and right primary ____
- 4. Divided into two cavities by the nasal septum
- 5. Also called the voice box
- 6. Large, soft and spongy, these paired organs fill the thoracic cavity
- 11. Mucus traps dust, mold, and other containments. Also helps push foreign particles towards pharynx
- 12. Flexible flap of cartilage at the superior end of the larynx
Down
- 1. Lead into respiratory bronchioles that end in clusters of air sacs
- 2. Also called the throat
- 7. Individual air sacs
- 8. Thin walled air sacs that make up the bulk of lung tissue
- 9. Surface of each lung is covered by these
- 10. Pair of folds that vibrate with expelled air to form sounds
- 13. Also called the windpipe