I need analogies for parts of the nervous system, either organs, cells or fibres, compared to everyday objects or jobs. They can't be about the eye, the neurons or the spinal cord.

How do you construct an analogy for the nervous system and not include neurons? The neurons are the "cells or fibres" that make up the nervous system.

Many people use a computer analogy. Do you want to try that?

I hope this helps. Thanks for asking.