Respiratory System Crossword Puzzle

123456789101112131415161718
Across
  1. 2. Two sets of heavy folds of tissue
  2. 4. behind your Nasal cavity
  3. 5. Spongy organs
  4. 8. At the end of the bronchi
  5. 12. Dried up mucus
  6. 14. below your larynx
  7. 15. Two holes in your nose
  8. 18. In your left lung
Down
  1. 1. Network of branching tubes
  2. 3. Oxegyn
  3. 4. Cavity In your nose
  4. 6. Oxygen and carbon dioxide is exchanged
  5. 7. Back of your throat
  6. 9. Small air sacs at the end of your
  7. 10. Connects nose and mouth
  8. 11. Small opening in the larynx
  9. 13. Carbon dioxide
  10. 16. Voice Box
  11. 17. pumps blood through your body