hunter 5th crosword

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Across
  1. 5. chemical made to function in a different area
  2. 7. ball of cells
  3. 8. growth,metabolism
  4. 12. sensory and motor nerves
  5. 13. automatic
  6. 16. replaces lining of the uterus
Down
  1. 1. brain and spine
  2. 2. makes hormones
  3. 3. you decide to control
  4. 4. fights infection
  5. 6. ambryo attactes to uterus
  6. 9. makes body respond
  7. 10. sperm joins an egg
  8. 11. babyin the womb
  9. 14. nerve cell in brain
  10. 15. blood sugar