Intro. to Respiratory System Review

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Across
  1. 1. process by which particles move from areas of high to low concentrations
  2. 4. the amount of air that moves in or out of the lungs with each breath
  3. 6. normal breath is taken in and then forcibly expelled
  4. 8. maximum amount of air that can be exhaled after taking the deepest breath possible
  5. 10. main organs of the respiratory system
  6. 12. long tube ringed with cartilage to prevent collapse
  7. 13. nostrils
Down
  1. 2. a cavity and large space where air first enters the body in which it is cleaned and warmed
  2. 3. type of muscle found throughout the respiratory tract
  3. 4. body cavity where the lungs are contained
  4. 5. tiny air sacs where gas exchange occurs
  5. 6. a flap of tissue that separates the respiratory and digestive systems
  6. 7. contains the vocal cords
  7. 9. main branches of the respiratory tract that lead to each lung
  8. 11. common passageway for food and air