HEART Puzzle # 55

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Across
  1. 5. Region within heart ventricle
  2. 7. Blood thinner used for heart conditions
  3. 8. Syndrome causing rapid heart rate
Down
  1. 1. Muscle controlling lower chamber
  2. 2. Relating To Heart Ventricle
  3. 3. Relating To Veins
  4. 4. Chamber that pumps blood from heart
  5. 5. Vessels bringing blood to heart
  6. 6. Blood Vessel Constriction