Heart Anatomy

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Across
  1. 2. Contraction of a heart chamber
  2. 4. When your heart skips beats
  3. 7. Heart rate < 60 bpm
  4. 9. Spontaneously changing pacemaker membranes
  5. 10. Relaxation of heart chamber
  6. 11. Fibers that carry impulses throughout ventricles
Down
  1. 1. Function of sinoatrial node
  2. 2. Valve looks like a half moon
  3. 3. Heart rate > 100 bpm
  4. 5. Chamber that lies superior to the ventricle
  5. 6. Another name for heart muscle
  6. 8. This means little ear