Across
- 4. — Thin covering around the lungs
- 7. — Breathing air in
- 8. — The part that lets you talk
- 9. — Tiny tubes inside the lungs
- 10. — The “windpipe” you breathe through
- 11. cavity — Inside your nose where air gets warmed
- 12. — Muscles between your ribs
- 15. — Flap that keeps food out of your airway
- 16. — The whole process of breathing
- 17. — Breathing air out
- 18. dioxide — Gas your body breathes out
Down
- 1. — Gas your body breathes in
- 2. — Muscle under your lungs that helps you breathe
- 3. — The throat area
- 5. — Tiny air bubbles in the lungs where oxygen goes
- 6. sacs — Clusters of alveoli
- 10. cavity — The chest space where your lungs sit
- 13. — Slippery stuff that keeps alveoli from sticking
- 14. — Moving air in and out of the body
- 19. — Two big tubes that lead into the lungs
