THE HUMAN HEART

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Across
  1. 2. pertaining to tone
  2. 5. mass solid,liquid, gas
  3. 9. rhythm were your heart beats
  4. 13. chest
  5. 14. outer layer,of heart'
  6. 16. thin wall,carry blood
  7. 17. hardening
  8. 18. rupture
  9. 19. one who studies
  10. 23. electricle signals, regulates the heart
  11. 24. replaced with a heart donor
  12. 25. low blood pressure
Down
  1. 1. thin layer of the heart
  2. 3. electric shock to the heart
  3. 4. instrument to measure pressuree
  4. 6. double layered sac
  5. 7. narrow aneurysms
  6. 8. two flap value
  7. 10. smaller arteries
  8. 11. mediastinum
  9. 12. three flap value
  10. 15. muscular layer of the heart
  11. 20. blood clot that forms
  12. 21. fatty substance
  13. 22. weakend wall, swelling