Ch 19 The Circulatory or Cardiovascular System vocabulary

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Across
  1. 1. An irregular heartbeat.
  2. 6. Phase when the heart muscles relax.
  3. 10. A weakening of the heart muscles due to enlargement or thickening, which reduces the heart’s ability to pump blood effectively.
  4. 12. Shortness of breath when lying down and is relieved by sitting up.
  5. 13. Inflammation of the veins, usually in the lower extremities.
  6. 14. A condition in which the amount of red blood cells or hemoglobin in the body is less than normal.
Down
  1. 2. A condition in which the body tissues do not receive enough oxygen.
  2. 3. The lower two chambers of the heart.
  3. 4. Phase where the heart is at work, contracting and pushing blood out of the left ventricle.
  4. 5. The upper two chambers of the heart.
  5. 7. A blood clot in a blood vessel.
  6. 8. A lack of blood supply to an area.
  7. 9. The blockage of a blood vessel by a blood clot or foreign substance.
  8. 11. Vessels that carry blood away from the heart.