Anatomy Crossword

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Across
  1. 4. covers outer surface of the heart
  2. 6. tool used to listen for heartbeats
  3. 8. lines inner surface of the heart
  4. 10. this type of fibers move impulses to contractile cells of the ventricular myocardium
  5. 11. relaxation
  6. 12. the pointed tip of the heart
  7. 14. backflow of blood
  8. 16. area of dead tissue caused by interruption of blood flow
  9. 17. muscular wall of the heart that has tissue, blood vessels, and nerves
  10. 18. expandable extension of the atrium
  11. 19. records electrical events in the body
  12. 20. these cells are nodal cells that reach threshold first
Down
  1. 1. lower chamber of the heart
  2. 2. condition where heart rate is slower than normal
  3. 3. pumps blood throughout the body
  4. 5. contraction
  5. 7. lining of pericardial cavity
  6. 9. this type of artery carries deoxygenated blood to the lungs
  7. 13. cavity or chamber that gets blood from veins and into ventricle
  8. 15. condition where heart rate is faster than normal