The Circulatory System (26)

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Across
  1. 1. this blood vessel is one cell thick
  2. 5. this circuit supplies blood to the lungs
  3. 7. helps the blood to clot
  4. 12. when your heart rests between beats
  5. 13. the receiving chambers of the heart
  6. 15. this makes up 55% of blood volume
  7. 16. contains platelets and plasma(2 words)
  8. 20. this blood vessel takes blood away from the heart
  9. 23. protein that helps form a scab
  10. 25. cells responsible for the pumping(2 words)
  11. 26. this circuit supplies blood to the body
  12. 27. the outer portion of the heart
  13. 28. system cells responsible for electric impulses
Down
  1. 2. fight off bacteria & other foreign substances
  2. 3. the pumping chambers of the heart
  3. 4. divides the heart
  4. 6. this fluid protects the heart
  5. 8. the largest artery in the body
  6. 9. bring oxygen throughout the body
  7. 10. this blood vessel has a valve
  8. 11. pressure in your arteries when your blood pumps
  9. 14. listening to the heart via a stethoscope
  10. 17. a gas dissolved in the blood
  11. 18. the largest vein in the body(2 words)
  12. 19. loose connective tissue containing elastin(2 words)
  13. 21. the amount of blood pumped by each ventricle in 1 minute
  14. 22. the cardiac muscle
  15. 24. the inner portion of the heart