| [ sciEncE ] in KIDS 글 쓴 이(By): guest (guest) <ny-amherst3a-305> 날 짜 (Date): 2000년 9월 4일 월요일 오후 01시 16분 42초 제 목(Title): Re: Dumb question on electricity i guess it is related with ionic channels that act to transmit electric signals to cause muscle cells to contract by increase in Ca(2+). there are several types of channels and in this case, i guess the main type of channels is voltage activated channel. by hodgikin-huxley equation,when we apply a reasonably big elctrical potential into the cels with channels, the driving force (the difference in electrical potential between the cell membrane ) will be quite big enough to increase the probability to open more channels in the cells. and this can cause more intens muscle contraction...(that can be shown as ,, kind of vibration, i guess..) |