Respiratory System

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Across
  1. 3. keeps trachea stiff so it doesn't collapse
  2. 5. general term for lack of oxygen in the tissues
  3. 9. airway that leads to the bronchi (windpipe)
  4. 10. inflammation of the respiratory tract
  5. 13. _____________ respiration occurs between air and lungs
  6. 14. main muscle involved in breathing
  7. 15. small air sacs where gas exchange occurs in the lungs
  8. 16. _____________ respiration occurs between blood and body tissues
Down
  1. 1. part of your brain that controls respiration
  2. 2. a tool used to measure lung capacity
  3. 4. childhood disease known as whooping cough
  4. 6. space at the back of the mouth and nose
  5. 7. genetic disorder, mucus builds up in the lungs
  6. 8. also known as your "voice box"
  7. 11. ______________ respiration occurs in the mitochondria
  8. 12. when breathing stops during sleep
  9. 13. flap that closes during swallowing