Across
- 5. a sticky liquid produced or made by the linings of the nose; keeps your nose moist
- 6. tube that leads from the throat toward the lungs; also called windpipe
- 7. your body produces this gas and it leaves your body
- 10. pair of spongy, air-filled organs that are part of the respiratory system
Down
- 1. This system brings air containing oxygen to your body
- 2. another way to breathe in air; sometimes you breath through this because of a stuffy nose
- 3. two openings in the nose
- 4. opposite of inhale; when you breathe out
- 8. your body needs this to stay alive
- 9. breathing in