The Brain and Nervous System   

When your head gets damaged it could affect your brain then you
will have a brain damage. That's why you have to look after your
brain because it is the most important part in your body even if
you are a sleep during the night. Also your
brain has names like Cerebellum,Medulla and
Cerebrum. The reason why your brain is
important because it helps you with things
like learning during school and college.

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If you a kind nice and your head with
your brain in side it and gets hit  you a able to get
violent and and gang related things.