RESPIRATORY SYSTEM CROSSWORD

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Across
  1. 2. area in the throat through which air passes to and from the lungs
  2. 5. pumps the oxygen-rich blood out the body
  3. 8. a waste gas, out of your body
  4. 10. is a passage of airway in the respiratory system
  5. 12. a small air-containing compartment of the lungs
  6. 13. a long tube in your neck and chest carries air into and out of your lungs
  7. 14. One of the tubes that carry blood from parts of the body back to the heart
  8. 15. where the air first enters the body
Down
  1. 1. large flat muscle that separates the lungs from the stomach area
  2. 3. commonly called as the voice box
  3. 4. systems of organs functioning in respirations and in humans
  4. 6. the main organ of the respiratory system
  5. 7. iron-containing respiratory pigment of vertebrate red blood cells
  6. 9. small tube that carries blood to different parts of a person
  7. 11. where the passages of the nose connect to your mouth and throat