Cardiovascular Crossword Puzzle Review

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Across
  1. 2. clumping caused by antibodies
  2. 5. ventricles relax
  3. 6. decrease in oxygen carrying ability of blood
  4. 10. atria contract
  5. 11. pacemaker of the heart
  6. 12. cell fragments, needed for clotting blood
  7. 14. contraction of ventricles
  8. 16. very slow heart rate
  9. 18. rbc, transport O2 in blood, biconcave discs, anucleate
  10. 19. blood cell formation
  11. 20. blood circulates inside closed transport systems
Down
  1. 1. foreign substance that immune system recognizes
  2. 3. bone marrow becomes cancerous; high number of wbc
  3. 4. graphic record of heart activity
  4. 7. output (co) = (hr) x (sv)
  5. 8. cycle events of one heartbeat
  6. 9. wbc, defend body against infection and tumors
  7. 13. ventricles relax
  8. 15. clot in unbroken blood vessel
  9. 17. semilunar valves close at end of systole