Respiratory System Crossword Puzzle

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Across
  1. 2. What would one do in order to clear the upper respiratory tract?
  2. 4. The passages that branch from the trachea and direct air into the lungs.
  3. 6. What are the small air sacs within the lungs associated with gas exchange?
  4. 9. What is the large muscle separating the chest cavity from the abdominal cavity that helps with breathing?
  5. 12. What are the tiny hairs that keep mucus and dirt out of your lungs?
  6. 13. What infection occurs when there is an inflammation of lungs where air sacs fill with liquid?
  7. 16. the process when cells break down oxygen and nutrients for energy
  8. 17. What is the windpipe also known as?
Down
  1. 1. How many lobes does the right lung have?
  2. 3. What is the flap over the trachea that prevents clogging?
  3. 4. small tubes that connect bronchi to alveoli
  4. 5. What is the voice box known as?
  5. 7. inhalation; taking air into the the body
  6. 8. What is the empty space within the skull that regulates the temperature and humidity of air taken into the body called?
  7. 10. air breathed in from the nose and mouth meet here
  8. 11. when the larynx is seen on the outside of the neck as a small bump
  9. 14. premature babies lack this fatty substance that prevents alveoli from collapsing
  10. 15. What is the breathing disorder characterized by coughing and wheezing?