Circulatory System – Lymphatic System – Urinary System

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Across
  1. 3. where the blood picks up oxygen
  2. 5. the cells that begin forming a clot if you get a cut
  3. 9. the type of muscle that makes up the heart
  4. 10. the organ that filters waste from your blood
  5. 14. the tube that carries urine from the bladder out of the body
  6. 16. the liquid part of the blood
  7. 19. the system that moves blood around your body
  8. 20. small structures that swell with white blood cells when you are sick, and filter germs from the body
  9. 23. a blood vessel that carries blood back to the heart
  10. 25. a cell that carries oxygen to all the cells of the body
  11. 26. the tube that carries urine from the kidneys to the bladder
  12. 28. where most blood cells are made
Down
  1. 1. a cell that kills bacteria and viruses
  2. 2. where the blood picks up nutrients
  3. 4. an organ in the immune system that filters germs from the blood
  4. 6. the system that fights germs
  5. 7. the hollow muscle that pumps the blood
  6. 8. the system that filters waste from your blood
  7. 11. the tiny units in the kidney that filter waste from the blood
  8. 12. a very small blood vessel that supplies the individual body cells
  9. 13. the waste gas that you breath out
  10. 15. the molecule in blood cells that actually carries the oxygen
  11. 17. the storage sac that holds the urine until you use the washroom
  12. 18. the tubes that carry the lymph
  13. 21. proteins made by the white blood cells that tag invading germs for destruction
  14. 22. the beat that you feel when you press your fingers on an artery
  15. 24. a blood vessel that carries blood away from the heart
  16. 27. a structure in the heart and blood vessels that keeps blood flowing in one direction