Gr8-Ch.5-Sec.3 & 4

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Across
  1. 5. the soft tissue that prevents choking
  2. 6. the passageway that leads to the lungs
  3. 8. the passageway that allows air and food to flow through
  4. 11. necessary for cells to function by using it to make energy (ATP)
  5. 16. the process that is used by cells to make energy (ATP)
  6. 18. a type of system responsible for returning leaked fluid back into the blood
  7. 19. the muscle at the base of the lungs that helps with inhaling and exhaling
  8. 20. the smaller tubes within the lungs
Down
  1. 1. the site where gas exchange happens that is also one-cell-thick
  2. 2. lifts up during inhalation
  3. 3. a virus that causes respiratory disease
  4. 4. what happens to cells if they can't make energy
  5. 7. the two tubes that split from the single passageway to the lungs
  6. 9. a type of system responsible for gas exchange with the environment
  7. 10. the waste product of respiration
  8. 12. the passage way that also contains the vocal chords
  9. 13. a disorder that results from damaged alveoli (e.g., from smoking)
  10. 14. a condition where the tubes in the lungs narrow in the lungs
  11. 15. the molecule used with your answer to number 11 across to make energy (ATP)
  12. 17. the passageway that leads to the stomach