why dont impulses travel in only on direction
Asked by | 24th Mar, 2009, 04:45: PM
Neurons communicate or send impulses through an action potential. This takes place from the dendrite and all the way to the axon ends. An action potential is a change of voltage within the axon. In other words, the negative state off the inner axon turns positive when the impulses pass by. This happens by the use of a sodium and potassium pump.
You will learn the detailed mechanism in higher classes.
Answered by | 25th Mar, 2009, 10:41: AM
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