The Heart

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Across
  1. 3. brings blood away from the heart
  2. 4. side of the heart that is oxygen poor
  3. 6. how many chambers the heart has
  4. 7. measurement of heart rate
  5. 8. a flap that makes blood only flow one direction
  6. 9. bottom chambers of the heart
Down
  1. 1. universal recipient
  2. 2. what triggers the creation of new blood cells
  3. 3. top chambers of the heart
  4. 5. universal donor of blood
  5. 8. brings blood to the heart
  6. 10. side of the heart that is oxygen rich