Breathe Easy: Respiratory System Crossword!!

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Across
  1. 2. – Organs of respiration responsible for gas exchange.
  2. 3. – Inflammation of the sinus cavities.
  3. 4. Septum – Wall of cartilage that divides the nose into two hollow spaces.
  4. 5. – An abnormal lung sound heard during inspiration, associated with obstruction of the trachea or upper airway.
  5. 9. – The throat; a passageway for air and food.
  6. 12. – Leaf-like structure made of cartilage that covers the larynx during swallowing.
  7. 14. – A test used to assess lung function by measuring air inhalation and exhalation.
  8. 15. – Located between the pharynx and trachea; contains vocal cords.
  9. 16. Respiration – The exchange of oxygen and carbon dioxide between the lungs and the bloodstream.
  10. 18. – A dome-shaped muscle that separates the thoracic and abdominal cavities and plays a major role in breathing.
  11. 19. Respiration – The exchange of oxygen and carbon dioxide between the bloodstream and the tissue cells.
  12. 20. Cavities – Two hollow spaces lined with mucous membrane and have a rich blood supply.
  13. 23. – Tubes that divide after leaving the trachea and become the right and left bronchus.
  14. 24. – A substance that reduces surface tension in the alveoli, preventing collapse.
Down
  1. 1. – The process when the diaphragm and intercostal muscles contract and enlarge the thoracic cavity.
  2. 6. – Excess mucus production by the nasal cavities, commonly referred to as a “runny nose.”
  3. 7. – The smallest branches of the bronchi.
  4. 8. – Mucous secretions from the respiratory tract that can be expelled through the mouth.
  5. 10. – A double-layered membrane surrounding each lung.
  6. 11. – Tiny hair-like structures that move mucus and dirt toward the esophagus.
  7. 13. – The process when the diaphragm and intercostal muscles relax, forcing air out.
  8. 17. – The windpipe; a tube that connects the larynx to the bronchi.
  9. 21. – Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide occurs between the lungs and bloodstream.
  10. 22. – A medical instrument used for listening to internal sounds, typically heart and lung sounds.
  11. 25. – Clicking, rattling, or crackling noises in the lungs heard during inhalation, associated with respiratory diseases.