Cardiovascular System

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Across
  1. 4. allows the blood to flow in one direction
  2. 7. type of circulation that nourishes the heart
  3. 9. main function of the heart
  4. 10. divides the heart longitudinally
Down
  1. 1. ventricles relaxing
  2. 2. receiving chambers
  3. 3. conduction system that sets basic rhythm of the heart
  4. 5. discharging chambers
  5. 6. ventricles contracting
  6. 8. main layer of the heart that contracts