Zoology - Neural Control and Coordination Question with Solution | TestHub

Generation of action potential: Stimulus is applied at a site on the polarised membrane$\to$It becomes freely permeable to${\mathrm{N}\mathrm{a}}^{+}\to$Rapid influx of${\mathrm{N}\mathrm{a}}^{+}\to$Reversal of the polarity at that site (extremely short-lived event).