Group 1-Conduction system

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Across
  1. 4. What sets the rhythm of the heart?
  2. 5. What is the name of the fibers that are spread out within the muscle of the ventricle walls?
  3. 6. How does Ischemia lead to fibrillation? Lack of ________ ________
  4. 7. How is blood projected out of the heart?
  5. 10. What system acts like brakes and accelerators to either decrease or increase the heart rate?
  6. 11. One purpose of the intrinsic conduction system is to allow the heart to __________ in one direction
Down
  1. 1. From the sinoatrial node the impulse spreads through the atria to the _________ ________
  2. 2. Rapid heart beat is called?
  3. 3. What node in the intrinsic conduction system acts like a pacemaker?
  4. 8. An uncoordinated shuddering of the heart muscle is called?
  5. 9. A slower than normal heart beat is called?
  6. 10. What is the name of an excitable fiber in the intrinsic conduction system? ____________ fibers