Across
- 3. passageway to the lungs
- 5. where gas exchange occurs
- 7. small passages extending from the bronchi
- 9. goes from your nose to your windpipe
- 10. used to eat and breathe
Down
- 1. a voice box
- 2. used to separate the lungs from the abdomen
- 4. used to smell and breathe
- 6. known as the windpipe
- 8. bring in oxygen and take out carbon dioxide