human body sysetm

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Across
  1. 3. eating, food, energy
  2. 4. bones, keeps us together
  3. 6. nerves, brain, spine
  4. 7. breathing, lungs
  5. 8. muscles, strength
Down
  1. 1. heart, heartbeat
  2. 2. peeing, waste, urin
  3. 5. hormones, organs
  4. 9. blood, cells