Heart Anatomy Crossword

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Across
  1. 3. valve set separating ventricles and arteries
  2. 5. allow ions to flow between adjacent cardiac muscle fibers
  3. 7. valve set separating atria and ventricles
  4. 9. deliver blood to the myocardium
  5. 13. SL valve on right side of heart
  6. 14. receiving chambers
  7. 17. squishy CT skeleton of the myocardium
  8. 18. contractile tissue of the heart
  9. 19. SL valve on left side of heart
  10. 21. fibers that spilt to surround each ventricle
  11. 22. AV valve on left side of heart
  12. 24. prevent backflow
  13. 26. type of cells called "pacemaker cells"
  14. 27. AV valve on right side of heart
  15. 28. remove blood from the myocardium
  16. 29. fibers in the superior interventricular septum
  17. 30. create a tight bond between adjacent cardiac muscle fibers
  18. 31. muscles in atrial myocardium
Down
  1. 1. attach AV valves to heart wall in ventricles
  2. 2. name for thin fibers that innervate the ventricular myocardium
  3. 4. ligament connecting aorta and pulmonary artery in adults
  4. 6. hole connecting aorta and pulmonary artery in babies
  5. 8. serous membrane surrounding heart
  6. 10. simple squamous lining of heart chambers
  7. 11. depression in adults between atria
  8. 12. stingy CT connecting valve flaps to papillary muscles
  9. 15. node embedded between atria and ventricles
  10. 16. hole in babies between atria
  11. 20. connect adjacent cardiac muscle fibers
  12. 23. distributing chambers
  13. 25. node embedded in right atrium