Anatomy: Respiratory System

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Across
  1. 2. the ends of bronchioles
  2. 4. incredible small airsacs
  3. 8. chemicals that cause cancer
  4. 9. more commonly known as the throat
  5. 11. muscle used for breathing
  6. 12. smoking tobacco leads to this class of diseases
  7. 13. respiratory center of brain
  8. 15. the respiratory system works closely with this system.
  9. 16. a larger air-filled space above and behind nose.
  10. 18. organs in the chest that supplies the body with oxygen, and removes carbon dioxide from the body.
  11. 20. allows food and liquids to enter digestive track.
Down
  1. 1. oxygen is attracted tp this, which is found on our red blood cells.
  2. 3. the air is mostly
  3. 5. voice box
  4. 6. adams apple
  5. 7. blood vessels which lead to arteries or viens.
  6. 10. group of tissues and organs that enable you to breathe in order to deliver oxygen from the atmosphere.
  7. 14. windpipe
  8. 17. spongy bone
  9. 19. use it to smell