Respiratory system

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Across
  1. 1. The mechanical process of taking in oxygen and taking out carbon dioxide
  2. 3. a shaped like parachute and located below your lungs that divides the chest cavity from the abdomen
  3. 7. most essential organ of respiratory system that main function is to transfer oxygen into the blood stream and to excrete carbon dioxide into the air
  4. 8. Use to inhale and exhale air
  5. 9. trapped or filter particles away from your lungs thus prevents harmful particles from getting very far into your respiratory system.
Down
  1. 2. tube held open by a C-shaped rings cartilage
  2. 4. the passage way that recieves food,liquid and air from the mouth and nose
  3. 5. Tubes that lead to the lungs
  4. 6. the microscopic sacs where carbon dioxide from the blood moves in here
  5. 10. it is also known us the voice box