Biology, asked by theamazingmysterio, 1 year ago

why is it said that impulses always have a uni directional flow ?

Answers

Answered by nawabzadi23

2

Answer:

Neurotransmitters are molecules that fit like a lock and key into a specific receptor. The receptor is located on the next cell in the line. ... Therefore,nerve impulses cannot travel in the opposite direction, because nerve cells only have neurotransmitter storage vesicles going one way, and receptors in one place

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