Across
- 3. I split in two to supply each lung with air
- 4. the process of breathing out
- 6. Air travels through me to get to the lungs
- 9. i'm a thin sticky film on the teeth
- 10. I'm apart of the respiratory system
- 11. i'm the gas that goes in the body
- 13. i am located at the front of the mouth
- 14. there are 20 of me
- 15. i protect the lungs
- 17. i'm the gas that comes out of the body
- 18. I'm shaped like the letter J
- 19. the outer most part of the teeth
Down
- 1. there are 32 of me
- 2. I am another name for the trachea
- 5. I absorb water
- 7. i'm used to tear meat
- 8. i'm used to get food from between the teeth
- 12. i'm used for grinding and crushing food
- 14. I line the stomach to protect it from acid
- 16. the process of breathing in air