Respiratory System
Across
- 5. Smaller branches of each bronchus
- 6. Breathing in
- 7. The right lung has three of these while the left lung has only two
- 9. Breathing out
- 10. Lungs are separated from the abdominal cavity by this muscular structure
Down
- 1. Another name for our throat
- 2. A two layered sac that covers each lung
- 3. Another name for voice box
- 4. Small grape-like cluster at the end of the bronchioles where oxygen and carbon dioxide are exchanged
- 8. Another name for our windpipe
- 9. This is a piece of cartilage that acts like a lid over the larynx