Answers

2014-06-26T17:59:31+08:00
To protect the other sytems
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Because it controls all body movements/activities.
because it recieves messages and travel through the brain through the spinal cord and sends out messages to tell your body what to do.
2014-06-26T18:02:19+08:00
Because it's the control system of your body it receives and sends message.

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