Human Body Systems

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Across
  1. 2. fights infections
  2. 3. produces movement by contracting and relaxing
  3. 5. breaks down food and absorbs nutrients
  4. 6. makes hormones
  5. 7. nurtures offspring
  6. 9. bones
Down
  1. 1. regulates body temperature
  2. 4. lungs
  3. 8. sends electrical signals