Which division of the nervous system consists of the brain, spinal cord and optic nerves

The central nervous system (CNS) consists of the brain, spinal cord, and optic nerves.  The peripheral nervous system (PNS) consists of the nerves that branch off the spinal cord and innervate the rest of the body.

integrated circuit (ic) is defined as a set of electronic circuits on one small flat piece of semiconductor material, normally silicon. a functional electronic circuit requires transistors, resistors, capacitors, inductors, etc., and the connections between them.

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