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Welcome to the on-line forum associated with the Biology 202 at Bryn Mawr College. Its a way to keep conversations going between course meetings, and to do so in a way that makes our conversations available to other who may in turn have interesting thoughts to contribute to them. You're welcome to post here any thoughts that have arisen during the course this week (and to respond to thoughts others have posted).

Some issues worth further exploring this week are the implications of thinking of the nervous system, and behavior, in terms of action potentials, receptor and generator potentials, and synaptic potentials.  How are we doing on the battery metaphor?  What does this help (or not help) to make better sense of?  What does it seem difficult to account for this way? What new questions does it open up?