The Heart

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Across
  1. 3. Cells that fight infections
  2. 4. Heart rate of 40 beats per minute.
  3. 7. The back flow of blood from one chamber to another.
  4. 9. Takes deoxgenated blood from the heart to the lungs.
  5. 12. Also referred to as the mitral valve.
  6. 14. Also called a myocardial infarction.
  7. 15. Inflammation of the fluid surrounding the heart.
  8. 16. Regulates blood entering the right ventricle.
  9. 19. Alternative name for platelets.
  10. 22. Regulation type involving neural and hormonal control.
  11. 23. One of four chambers of the heart.
  12. 24. Found between the arterioles and venules.
  13. 25. Cancer of the white blood cells.
Down
  1. 1. Refractory period when the cardiac muscle completely insensitive to further stimulation.
  2. 2. Abnormal heart beat due to valve complications.
  3. 5. One of two locations facilitating gas exchange.
  4. 6. One of two portals of entry into the heart for deoxygenated blood.
  5. 8. Collective name for neutrophil, eosinophils and basophils.
  6. 10. The serous membrane of smooth outer surface of heart.
  7. 11. Take blood away from the heart to the body.
  8. 13. Represents ventricular repolarization.
  9. 17. Cells that live only for 120 days.
  10. 18. Smooth inner surface of heart chambers
  11. 20. Measurement representing the maximum contraction of a blood vessel.
  12. 21. One of two cardiovascular circuits.