Cardiovascular System

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Across
  1. 4. fluid that is between the pericardium and the epicardium
  2. 7. tiny blood vessels that transport blood, nutrients and oxygen to all of your organs and body systems
  3. 9. heart contraction
  4. 12. heart relaxation
  5. 17. this vena cava brings blood into the right atrium from the superior body
  6. 18. measures the number of times per minute that the heart contracts or beats
  7. 20. consists of 3 flaps, or cusps
  8. 21. heart does not pump blood as well as it should
  9. 22. divides the heart longitudinally
  10. 23. the thin sac enclosing the heart
  11. 24. discharging chambers of the heart
  12. 25. carries blood from the left ventricle to the body
Down
  1. 1. spreads into the tissue surrounding the ventricle
  2. 2. this artery carries blood from the right ventricle to the lungs
  3. 3. middle layer of the heart
  4. 5. this ventricle sends blood to the lungs
  5. 6. pain caused by the myocardium being deprived of oxygen
  6. 8. this ventricle sends blood to the body
  7. 10. heart attack
  8. 11. turbulent blood in or near heart sound
  9. 13. anchors the flaps to the ventricle walls
  10. 14. divides the atria and ventricles
  11. 15. consists of 2 flaps, or cusps
  12. 16. outer layer of the heart
  13. 19. innermost layer of the heart