Respiratory System

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Across
  1. 2. Main muscle used for breathing
  2. 3. structures in the larynx that make talking and singing possible
  3. 4. fluid buildup in air sacs caused by bacteria or virus
  4. 10. waste product of cellular respiration
  5. 12. Passageway for air behind the nose and mouth
  6. 14. also known as the Windpipe; connects throat to lungs
  7. 15. muscles that make exhaling aggressively possible
  8. 17. spasms of the diaphragm
  9. 19. Gas humans inhale that's necessary for cellular respiration
  10. 20. where cellular respiration takes place in the cell
  11. 22. the lungs fill with air due to _______ pressure
Down
  1. 1. Inspiration
  2. 5. Thin flap that covers the trachea during swallowing
  3. 6. C6H12O6
  4. 7. another word for the larynx
  5. 8. a collapsed lung
  6. 9. lack of oxygen in tissues
  7. 11. disease that destroys alveoli, caused by smoking
  8. 13. Tiny air sacs in the lungs where gas exchange happens
  9. 16. Two organs responsible for gas exchange
  10. 18. gases _____ through the respiratory membrane
  11. 21. the amount of gas left in your lungs after a giant exhale is _______ volume