Blood

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Across
  1. 2. helps you run and think property
  2. 4. open and close to allow blood flow
  3. 6. flow helps blood through body
  4. 8. big organ of the body
  5. 9. takes away nutrients from the body
  6. 10. largest internal organ
Down
  1. 1. connect two parts of the main system
  2. 3. carries blood from the heart to the body
  3. 5. help's you breathe
  4. 7. blood straws