Circulatory System Crossword

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Across
  1. 2. Relating to the lungs
  2. 4. Found in the lower portion of the heart
  3. 7. Same job as 10-Across, but takes blood from the lower body
  4. 9. Along with 19-Across and 5-Down, one of three materials the circulatory system transports
  5. 10. Like 7-Across, takes oxygen-deprived blood back to the heart
  6. 12. Something you shouldn't do if you want to keep your system healthy
  7. 15. Something you should get checked to keep a healthy system
  8. 16. A blood vessel that usually takes blood away from the heart
  9. 17. A disease that occurs when blood doesn't go to the brain
  10. 18. Like 3-Down, a system partner of the circulatory system
  11. 19. Along with 5-Down and 9-Across, one of three materials the circulatory system transports
  12. 20. See 1-Down
  13. 21. A variety of materials the circulatory system removes
Down
  1. 1. With 20-Across, what blood is classified as
  2. 3. Like 18-Across, a system partner of the circulatory system
  3. 5. Along with 19-Across and 9-Across, one of three materials the circulatory system transports
  4. 6. A material the pulmonary system removes
  5. 8. A disease caused by high cholesterol
  6. 11. Connecting veins and arteries is one of its functions
  7. 13. A common analogy for the heart
  8. 14. Found in the upper portion of the heart
  9. 22. A major artery in the system