Cardiovascular

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Across
  1. 2. Valve between the left atrium and the left ventricle; bicuspid valve.
  2. 3. One of two lower chambers of the heart.
  3. 5. Largest artery in the body.
  4. 9. Inner lining of the heart.
  5. 12. abdnormal heart rhythm
  6. 13. Small vein.
  7. 14. Partition or wall dividing a cavity.
  8. 15. Contraction phase of the heartbeat.
Down
  1. 1. Small artery.
  2. 4. Record of the electrical activity of the heart.
  3. 6. Gas that enters the blood through the lungs and travels to the heart to be pumped via arteries to all body cells
  4. 7. Muscular middle layer of the heart.
  5. 8. Beat of the heart as felt through the walls of the arteries.
  6. 10. Relaxation phase of the heartbeat.
  7. 11. Abnormal swishing sound caused by improper closure of the heart valves
  8. 13. Structure in veins or in the heart that temporarily closes an opening so that blood flows in only one direction.