Cardiovascular

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Across
  1. 3. separates left atrium from ventricle
  2. 4. membranous partition of the lungs
  3. 5. membrane that surrounds the heart
  4. 7. the time from the end of one heart contraction to the end of the subsequent contraction
  5. 10. two upper cavities of the heart from which blood is passed to the venticles
  6. 13. blood vessels that carry oxygen and nutrients from your heart to the rest of your body
  7. 16. occurs when the heart muscle doesn't pump blood as well as it should
  8. 17. hollow part of the organ
  9. 18. muscular twitching involving individual muscle fibers acting without coordination
  10. 21. heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.
  11. 23. pressure of the blood in the circulatory system
  12. 24. heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries
  13. 25. Sound of blood flowing through the heart
Down
  1. 1. of the fine branching blood vessels that form a network between the arterioles and venules
  2. 2. vessels supplying oxygenated blood to and returning deoygenated blood from tissue of the body
  3. 6. a condition in which the blood vessels have persistently raised pressure
  4. 8. main artery of the body
  5. 9. a slow heart rate
  6. 11. connects atrium to ventricles
  7. 12. relating to, affecting, or consisting of a vessel
  8. 14. measures the forces the heart exterts on the walls of the arteries in between beats
  9. 15. large vein carrying deoxygenated blood into the heart
  10. 19. divide the right side from the left side of the heart
  11. 20. tubes forming part of the blood circulation system of the body
  12. 22. Low blood pressure occurs when blood pressure is much lower than normal