Across
- 3. where air goes after entering your body
- 4. also called the windpipe
- 6. primary organ of the respiratory system
- 8. the right lung has _______ lobes
- 9. bronchi branch off to smaller and smaller ______________
- 11. also called the voice box
Down
- 1. muscle involved in inspiration and expiration
- 2. gas that we inhale
- 5. site of gas exchange
- 7. you have __________ bronchi
- 10. air enters through the oral cavity or the ________ cavity