Organs

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Across
  1. 1. Contractions
  2. 5. Uses white blood cells
  3. 6. Babies
  4. 8. Makes white blood cells
  5. 11. Nutrients
  6. 12. Urine
Down
  1. 2. Gas exchange
  2. 3. Largest organ
  3. 4. Transport
  4. 7. Hormones
  5. 9. Signals
  6. 10. Bones