Digestive and Respiratory Systems

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Across
  1. 4. main function of respiratory system
  2. 5. dome shaped muscular partition and plays a major role in breathing
  3. 7. use it to smell and breath
  4. 8. opens up while breathing and closes while swallowing
  5. 9. helps filter the gas exchange of oxygen and carbon dioxide
  6. 10. talk with and eat with
Down
  1. 1. tiny air sacs inside your lungs
  2. 2. windpipe
  3. 3. movement of molecules from a high concentration to a low concentration
  4. 5. the process of breaking down food
  5. 6. the tendency where cells are equilibrium
  6. 8. food pipe