The Heart

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Across
  1. 1. found within arteries extending from ventricles
  2. 3. outer membrane of pericardium
  3. 8. the two receiving chambers
  4. 10. layer of endothelium lying on top of layer of thin CT
  5. 12. valve with two flaps
  6. 13. largest artery of the body
  7. 16. cells that die may form this blockage, another name for a heart attack
  8. 19. main tissue of heart, second/middle layer
  9. 20. receives blood from heart muscle and returns it to right atrium
Down
  1. 2. extends from heart to body's cells and back to heart
  2. 4. inflammation of heart valves
  3. 5. arteries that supply heart with blood
  4. 6. septum between ventricles
  5. 7. the two main pumping chambers
  6. 9. extends from heart to lungs and back to heart
  7. 11. cords of tissue that prevent valve flaps from moving backward into atria
  8. 14. prolonged blockage of coronary arteries by blood clots
  9. 15. vessels that drain cardiac muscle
  10. 17. wall-like mass of tissue separating heart chambers
  11. 18. inflammation of pericardium