Cardiovascular Crossword Puzzle

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Across
  1. 3. also known as a heart attack
  2. 7. carries blood from the left ventricle to the body
  3. 9. pain caused by the myocardium being deprived of oxygen
  4. 10. drains blood into the coronary sinus
  5. 12. located at the junction of the right atriumand ventricle
  6. 13. divides atria and ventricle into three flaps, also known as the right antrioventricular valve
  7. 17. an enclosed double sac in the heart
  8. 18. heart relaxation
  9. 19. the middle layer of the heart that contracts
  10. 22. divides atria and ventricle into two flaps, also known as the left antrioventricular valve and mitral
  11. 24. brings blood into the right atrium from the superior body
Down
  1. 1. brings blood into the right atrium from the inferior body
  2. 2. supplies blood into the heart
  3. 4. receives blood in its chambers to aid the body or the lungs
  4. 5. flaps to the ventricle walls
  5. 6. spread into the tissue surrounding the ventricles
  6. 8. the inner most layer of the heart that lines the chambers of the heart and blood vessels
  7. 11. located in the top of the right atrium, also known as a pacemaker
  8. 14. opens when the heart contracts and are closed when the heart relaxes
  9. 15. carries blood from the lungs to the left atrium
  10. 16. the outer layer of the heart
  11. 20. carries blood from the right ventricle to the lungs
  12. 21. divides the heart longitudinally
  13. 23. heart contraction
  14. 25. fine branching blood vessels that form network between the arteries and ventricles