what are impulses?

Asked by mikul262 | 3rd Aug, 2008, 02:50: PM

Expert Answer:

Physially - it is the change of rate of momentum. Formula ------ Impulse = Force x Time

1) If you wish to know about nerve impulse. It is - It is transmission of electric stimulus across the nerve fiber.

2)It is governed by the movement of Na+ and K+ ions in & out of nerve fiber. There is a change in their concentration across the length of nerve fiber in the form of a wave which carry the impulse acorr it.


Answered by  | 3rd Aug, 2008, 04:18: PM

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