Blood and Electrical Conduction of the Heart

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Across
  1. 2. Blood comes into the heart via the Inferior and Superior Vena Cava to this area
  2. 3. The electrical impulse travels from the AV node to this area
  3. 4. This gas ________ happens in the lungs
  4. 8. The last area that the electrical impulses move through in the heart
  5. 10. Another name for the mitral valve
  6. 11. The Bundle of HIS splits into left and right bundle ___________
  7. 12. The blood goes to the lungs through this valve
  8. 13. The blood passes from the left atrium to the left ventricle through this valve
Down
  1. 1. The next stop on its journey for the electrical impulse
  2. 5. The blood returns from the lungs via the pulmonary ____
  3. 6. The blood moves from the right atrium to the right ventricle through this valve
  4. 7. The area in the heart where the electrical impulses start
  5. 9. The valve that the blood passes through from the left ventricle to the aorta