The Respiratory System

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Across
  1. 3. When you inhale your lungs ______, when you exhale they deflate
  2. 6. As you inhale, this flattens to give your lungs room to inflate
  3. 7. Also known as the voice box
  4. 8. Instrument used to measure respiratory volumes and capacities
  5. 9. Lung collapse due to plugged bronchioles
  6. 14. Hairs that keep mucus and dirt out of the lungs
  7. 15. you breathe in oxygen and breathe out this
  8. 16. Your body can't breathe without this system
  9. 19. Gases flow into the lungs
  10. 20. Tiny air sacs in the lungs
Down
  1. 1. Amount of gas reaching the alveoli
  2. 2. The tube that connects your mouth and nose to your lungs
  3. 4. Blood flow reaching the alveoli
  4. 5. The opening between the vocal folds
  5. 10. This harms the lungs
  6. 11. Another term for the trachea
  7. 12. Inadequate O2 delivery to tissues
  8. 13. Period of breathing cessation that occurs when PCO2 is abnormally low
  9. 17. Gases exit the lungs
  10. 18. The primary organ of the respiratory system