OUR LUNGS

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Across
  1. 5. Smaller of the airways
  2. 8. that is the exchange of gases within cells
  3. 9. The smaller of the two lungs
  4. 10. Expelling carbon dioxide
  5. 13. Helps our lungs to breathe in and breathe out
  6. 14. The location of the lungs
Down
  1. 1. Activity that is highly addictive and harms body
  2. 2. These are just as dangerous as cigarettes
  3. 3. Large airways
  4. 4. Taking air in
  5. 6. Tiny air sacs
  6. 7. Also called voice box
  7. 11. Major organ of the respiratory system
  8. 12. Also called windpipe