human body function

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Across
  1. 5. what causes puberty.
  2. 6. skin condition caused by oils.
  3. 8. the outer layer of your skin.
  4. 10. the amount your body can handle.
  5. 12. the process of going from kid to adult.
Down
  1. 1. to prevent black from growing.
  2. 2. is the action to improve or maintain your self.
  3. 3. to cool down your body temperature.
  4. 4. practise something safely.
  5. 7. to make your self clean.
  6. 9. dead skin cells.
  7. 11. to increase in hight.