EKG TIMES

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Across
  1. 3. Ventricles contract, there are four phases
  2. 5. Valve between right atrium and right ventricle
  3. 7. Valve between left ventricle and aorta
  4. 8. Middle muscle layer of heart
  5. 9. Valve between left atrium and left ventricle
  6. 11. innermost layer of heart
  7. 13. Main artery, carries oxygenated blood to the body
  8. 14. Another word for fainting
  9. 15. Flap over the top of trachea
Down
  1. 1. Type of heart cell, causes muscle contraction
  2. 2. Also known as the windpipe
  3. 4. Outermost layer of the heart
  4. 6. Type of heart cell, conducts electrical impulses
  5. 10. Valve between right ventricle and pulmonary artery
  6. 12. Ventricles relax and fill with blood