Across
- 2. where the air travels after the nose
- 5. Passageway to the lungs
- 6. Bring oxygen into the blood
- 8. covers the trachea to prevent food from going into it
- 9. creates your voice
Down
- 1. 2 branches one for each lung
- 3. how the air enters the body
- 4. a major organ that helps inhale and exhale
- 7. Hair like microorganisms that get mucus out of the lungs