Circulatory System Crossword Puzzle

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Across
  1. 5. Decreased oxygen to the heart
  2. 7. First in CPR (pl.)
  3. 11. Department that studies the body's response to infection
  4. 14. Quivering heart
  5. 15. First choice in "M" veins
  6. 16. Lymph node inflammation
  7. 18. Measures the heart's activity
  8. 20. Hemostatic process enzyme
Down
  1. 1. High WBC
  2. 2. Anuclear biconcave disc
  3. 3. Reduces friction around the heart
  4. 4. A test for heart muscle function (2 words)
  5. 6. Destruction of RBC
  6. 8. Ventricular relaxation causes these valves to close
  7. 9. Moving clot
  8. 10. Veins on this side are a "no-no"
  9. 12. Internal blood vessel spaces
  10. 13. Excess tissue fluid
  11. 17. Injury "bottleneckers"
  12. 19. The heart's receiving chambers