Respiratory crossword

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Across
  1. 4. A form of carbon dioxide transported in the blood to help maintain pH balance.
  2. 7. The flap of cartilage that covers the trachea during swallowing.
  3. 8. A reflex action that clears the throat or lungs of irritants.
  4. 9. A sudden, forceful expulsion of air from the nose and mouth.
  5. 11. A medical instrument used to measure lung capacity.
  6. 13. Cords Bands of muscle in the larynx responsible for sound production.
  7. 16. Air moves into the lungs from the atmosphere.
  8. 17. A condition where there is a deficiency of oxygen in the body’s tissues.
  9. 18. Tiny air sacs in the lungs where gas exchange occurs.
  10. 19. The muscular tube that connects the nose and mouth to the esophagus.
  11. 20. A lung disease where alveoli are damaged, causing breathing difficulties.
Down
  1. 1. Tiny hair-like structures that move mucus and particles out of the lungs.
  2. 2. The voice box, which contains the vocal cords.
  3. 3. Respiration A process in cells where oxygen is used to produce energy.
  4. 5. The two main branches of the trachea that lead into each lung.
  5. 6. Temporary cessation of breathing, often during sleep.
  6. 10. Air moves out of the lungs into the atmosphere.
  7. 12. Small branches of the bronchi that distribute air throughout the lungs.
  8. 14. The windpipe, which carries air from the pharynx to the bronchi.
  9. 15. A dome-shaped muscle that aids in breathing.