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Breathing Basics of Human Lungs
Perfect for beginners with simple, common vocabulary
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Across
  • 1. Top part of the trachea
  • 2. Short sound made when breathing
  • 4. Air-filled spaces behind nose
  • 5. One of the main air passages in lungs
  • 9. Body's way to clear the throat
  • 13. Oxygen and carbon dioxide exchanged
  • 15. Tiny air sacs in the lungs
  • 17. Act of breathing air in
Down
  • 3. Controls breathing automatically
  • 6. Organ responsible for gas exchange
  • 7. Air enters the body through this
  • 8. Heart rate often rises with breathing
  • 10. Voice box located in the throat
  • 11. Tube for food near airways
  • 12. Tube connecting throat to lungs
  • 14. Protects lungs and heart
  • 16. Act of breathing air out
  • 18. Sticky substance lining airways

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