Respiratory System Don Milani

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Across
  1. 3. a disease of the respiratory system
  2. 6. large tubes that branch into the lungs
  3. 7. bones that protect the lungs
  4. 9. has two nostrils
  5. 10. inhale and exhale
  6. 11. tube that brings air into and out of the lungs
Down
  1. 1. filter the air as it enters the body
  2. 2. Large muscle below the lungs
  3. 4. the right one is bigger than left
  4. 5. bring in air
  5. 8. out comes carbon dioxide