circulatory system

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Across
  1. 3. heart racing
  2. 5. something red in your body
  3. 7. help you live
  4. 8. allows blood to flow in one direction
  5. 9. muscle that beats
  6. 10. helps you breathe
Down
  1. 1. moves it blood to the heart
  2. 2. carry blood away
  3. 4. connect arteries and veins
  4. 6. help breathe