UNIT 5 LAB

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Across
  1. 2. Air sacs in the lungs where oxygen and carbon dioxide are exchanged.
  2. 4. An oily substance that occurs naturally in the body, in animal fats and in dairy products, and that is transported in the blood.
  3. 6. backward flow of blood through a defective heart valve.
  4. 8. Surgery that can improve blood flow to the heart by providing a new route.
  5. 10. A device that helps restore a normal heart rhythm by delivering a electric shock.
  6. 12. A procedure used to widen the opening of a heart valve that has been narrowed by scar tissue.
  7. 13. The rapid, ineffective contractions of any heart chamber. A flutter is considered to be more coordinated than fibrillation.
  8. 14. Abnormal slow heartbeat.
  9. 17. The thin membrane covering the outside surface of the heart muscle.
  10. 18. what circulates in the arteries and veins of humans?
  11. 23. The area of heart tissue permanently damaged by an inadequate supply of oxygen.
  12. 25. The odorless gas that is present in the air and necessary to maintain life.
  13. 27. an instrument used to measure blood pressure.
Down
  1. 1. Pertaining to the heart and blood vessels that make up the circulatory system.
  2. 3. The ring around a heart valve where the valve leaflet merges with the heart muscle.
  3. 5. heart failure is common in patients with________
  4. 7. one of the two lower chambers of the heart.
  5. 9. Either one of the heart’s two upper chambers.
  6. 11. The largest artery in the body and the main vessel to supply blood from the heart.
  7. 12. Pertaining to the heart.
  8. 15. a technique of applying an electric shock to the chest to convert an abnormal heartbeat to a normal rhythm.
  9. 16. Any one of a series of blood vessels of the vascular system that carries blood from various parts of the body back to the heart, returning oxygen-poor blood to the heart.
  10. 19. a vessel that carries oxygen-rich blood to the body.
  11. 20. An instrument for listening to sounds within the body.
  12. 21. a clot-dissolving medicine used to treat heart attack patients.
  13. 22. The area of the body between the bottom of the ribs and the top of the thighs.
  14. 24. The rapid, ineffective contractions of any heart chamber. A flutter is considered to be more coordinated than fibrillation.
  15. 26. A sac-like protrusion from a blood vessel or the heart, resulting from a weakening of the vessel wall or heart muscle.