Respiratory System

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Across
  1. 3. you need this to sing lyrics
  2. 7. this is part of both the endocrine and digestive systems
  3. 8. stores bile
  4. 11. branch directly off of the trachea
  5. 12. is a different lenght in males and females
  6. 14. tubs that carry urine from the kidneys to the bladder
  7. 15. gas exhange happens here
  8. 18. a flap that covers your trachea when you are eating
Down
  1. 1. a tube that takes air from your mouth to your lungs
  2. 2. the abbreviation for central nervous system
  3. 4. a muscle that pumps blood to the body
  4. 5. the right side has three lobes
  5. 6. stores urine
  6. 7. another name for the throat
  7. 9. carry blood away from the heart
  8. 10. filters toxins
  9. 13. the bronchi branch into many of these
  10. 16. carry blood to the heart
  11. 17. filters blood