biology (zehong)

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Across
  1. 3. to send motor commands from the brain to the body
  2. 4. it pumps blood around your body
  3. 6. digests food
  4. 8. Systematically breaks food down
Down
  1. 1. remove wastes and extra fluid from your body
  2. 2. It controls important hormone and enzyme secretion.
  3. 5. It processes information that it receives from the body
  4. 7. Cleans toxins (harmful substances) out of the blood
  5. 8. protect your brain
  6. 9. responsible for creating sound for the voice