Circulatory system CrossWord

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Across
  1. 2. heart beats too slow
  2. 4. abnormal rhythm of the heart
  3. 6. connect veins and arteries
  4. 7. Controls the flow of blood by opening and closing
  5. 9. Main organ of the circulatory system
  6. 10. removes carbon dioxide and relaces it with oxygen
Down
  1. 1. heart beats too fast
  2. 3. when plaque builds up in the inside of arteries
  3. 5. Carrys blood from the heart
  4. 8. Brings blood to the heart