cardiovascular system final

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Across
  1. 5. arterial circle: a complete circle of connecting blood vessels
  2. 8. infarction: commonly known as a "heart attack"
  3. 9. system: build into the heart tissues steps a basic rhythm like a drummer's sets the beat for a song
  4. 10. Veins: drains the myocardium
  5. 13. embolism: a life-threatening condition in which embolism lodges ina vessel in the lung
  6. 15. A condition in which a blood clot in a vein causes inflammation and pain.
  7. 16. cycle: the events of one complete heartbeat, during which both atria and ventricles contract and then relax
  8. 17. the main artery of the body, supplying oxygenated blood to the circulatory system
  9. 18. valves: located between the atria and ventricles on each side
  10. 20. a rapid, uncoordinated quivering of ventricles
  11. 22. pressure: the pressure the blood exerts against the inner walls of the blood vessels
  12. 23. Murmurs: abnormal or unusual heart sounds
  13. 24. is a rapid heart rate, over 100 beats per minute
Down
  1. 1. pressure: the pressure when the ventricles are relaxing.
  2. 2. valve: guards the bases of the two large arteries leaving the ventricular chambers
  3. 3. is a heart rate that is substantially slower than normal, less than 60 beats per minute
  4. 4. output: the amount of blood pumped out by each side of the heart in 1 minute
  5. 6. valves: also known as mitral valve consists of two flaps of the endocardium
  6. 7. trunk: the first branch of the abdominal aorta
  7. 8. consists of thick bundles of cardiac muscle twisted and whorled into ringlike arrangements
  8. 11. a thin, glistening sheet of endothelium that lines the heart chambers
  9. 12. the medial section of the thoracic cavity
  10. 14. pressure: the pressure in the arteries at the peak of ventricular contraction
  11. 19. the major function of the cardiovascular system
  12. 21. lack of an adequate blood supply to the heart muscle