Heart Electrical Activity

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Across
  1. 4. Extension of AV node,Runs down membranous part of interventricular septum
  2. 6. system dealing with absorbed nutrients from food.
  3. 9. system transferring information/instructions to cells with hormones
  4. 10. system that transport oxygen and nutrients efficiently through the body and disposes of carbon waste
  5. 11. pathway carrying impulse from SA node to AV node
  6. 12. system delivering and distributing oxygen
Down
  1. 1. Slows down impulse to allow atria to empty blood into ventricles
  2. 2. power source that makes the heart beat
  3. 3. pathway carrying impulse from right atrium to left
  4. 5. pacemaker of the heart
  5. 7. system that uses white blood cells to fight infection
  6. 8. fibers also known as Subendocardium Purkinje Fibers, Terminal branches of the right and left branches of the AV bundle