Across
- 3. brings air into the respiratory system
- 4. what we need in the air
- 7. allows you to speak
- 9. brings air into the respiratory system
- 10. made of tiny air sacs
Down
- 1. tube that connects throat with lungs
- 2. waste we get rid of when we breath out
- 5. in tiny air sacs called alveoli
- 6. dome shaped muscle
- 8. branches of the trachea