Answers

2015-11-05T21:44:05+08:00
Central nervous system - comprises the brain and the spinal cord, main processing central of nervous system.  peripheral nervous system - comprises the nerves, connect the central nervous system to the organs and limbs. Also associated with involuntary and voluntary movements.  2.) Each part of a system plays a specific roles if one of system fails to carry out its function the whole system will stop and then may lead to death.
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