Hans-Jonathan 8B

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Across
  1. 3. when we breath air enter our respiratory system Through our…
  2. 5. inside the ribcage
  3. 7. inside the ribcage
  4. 9. where air Enters the lungs
  5. 10. In exhalation the diaphragm will relax and ______
  6. 11. The excessive secretion of this will cause bronchitis in the lungs
  7. 13. also known as the windpipe
  8. 14. muscular sheet
  9. 16. The addictive in cigarettes
  10. 20. The letting out of air
  11. 22. protects the lungs
  12. 24. Lung volume refers to the amount of air at the different phases of the ___________ cycle
  13. 25. Main Organ of respiratory system
Down
  1. 1. The external intercostal do this when inhaling
  2. 2. the bronchioles end in tiny air sacs called…
  3. 4. each bronchus split into two…
  4. 6. The condition due to damaged alveoli
  5. 8. The volume of this cavity decreases air pressure in the lungs
  6. 12. They creates many harmful substances when smoked
  7. 15. external respiration process where air move into and put of the lungs
  8. 17. Causes abnormal growth in the lungs causing lung cancer
  9. 18. The inflammation of the bronchi caused by a cigarette smoke
  10. 19. The chronic disorder where the air passages become too narrow due to excessive mucus
  11. 21. In inhalation this muscle is will contract and flatten
  12. 23. the trachea branches is split into two …