Help with a biology paper?

So my signment is to write a short story or paragraph defining the words neuron, cell body, dendrite, axon, myelin sheath, resting potential, thershold, synapse, and nerotrasmiter. We have to put the words into a paragrath defining then and making then into a story. like something thats ually interesting. about peope, or you can use your imagination and pretend theyre animals or whatever you want, as long as your defining them in some sort of way. help, please?