Here's one I did at work. This is what I do at work. No, not filks. The details aren't exactly correct, but they're as correct as you'd find in an undergrad physio-psych text book. In fact this has been used as a teaching tool in class.
Some phrases are hard to fit in meter.
I blame science, and so should you. Neurotransmitter finds receptor site. Locally depolarizes the dendrite. One sends out and the next takes in. Excitatory signals summarize.