Respiratory System

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Across
  1. 1. ______is an inflammatory lung disease that causes breathlessness and wheezing
  2. 4. Another name for the throat
  3. 5. Dome shaped chief muscle used in respiration
  4. 7. The respiratory system works well with the_______system
  5. 9. A protein found in red blood cells specialized for transporting oxygen
  6. 10. Two tubes that travel to each lung; like an inverted tree
Down
  1. 2. The windpipe
  2. 3. Another word for breathing
  3. 6. Dioxide What is the waste product that is breathed out
  4. 8. The lungs microscopic air sacs