[michel_mr (OP)]

hello my freinds i have really very interesting question concerning the neurophysiology.
during action potential the k channels open for repolarization,but why na will not pass through these channels although they r smaller than these gates?thx for help

[Andrew K Fletcher]

Hello Michel

Not entirely sure what your question relates to can you provide us with some more information and possibly a link to the subject? Not even sure this is ion the correct forum.

Andrew