Respiratory System

Edit Answers
1234567891011121314
Across
  1. 2. help moisturize the air you breathe and filter out foreign particles
  2. 4. carbon ____; the air we exhale
  3. 6. the air sacs
  4. 8. the intake of the oxygen-rich air through the nostrils into the lungs
  5. 10. the main and primary organ of the respiratory system
  6. 11. the part or organ where breathing starts
  7. 13. process of giving out air or releasing of carbon dioxide
  8. 14. the air we inhale
Down
  1. 1. process of taking in oxygen and giving out carbon dioxide with the help of the respiratory organs
  2. 3. tiny hair inside the nose which traps dirt that enters the nose
  3. 5. a small, movable 'lid' just above the larynx that prevents food and drink from entering the windpipe
  4. 7. the windpipe, a tube-like structure that connects the larynx to the bronchi
  5. 9. two tiny openings of the nose used for breathing
  6. 12. the voice box