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By the end of class on Thursday, I found the comparison between the nerovous system and a battery to be a much more acceptable theory. I think that the difficulty in relating the two, is as evan said above, that it is not hte way we usually think of hte nervous system. It is hard to imagine something tangible like a battery holding hte same basic concept as this untangiable nervous system with its complex array of neurons etc.

Another reason I think that may have contributed to the diffuculty in accepting this metaphor is that in a majority of science classes the nervous system is taught in a fact oriented manner, rather than a more philosophical and simplistic manner.

I think that overall the batter does a good job at explaining hte action in the nervous system