Circulatory system

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Across
  1. 4. most important organ in the body
  2. 7. the left side of the heart that is red
  3. 8. allows blood to flow in one direction
  4. 9. includes the heart and blood vessels
  5. 10. carries blood away from the heart
Down
  1. 1. connects arteries and veins.
  2. 2. a tube which blood circulates through the body
  3. 3. delivers the 3 main functions in the body
  4. 5. the right side of the heart that is blue
  5. 6. carries blood and nutrients to the heart