Ages

Introduction

Summary

Nerve signals take the form of electrical signals, and are known as impulses.  A neuron carries impulses in only one direction. This animation illustrates the propagation of the nerve signal  through a single neuron, and its transmission from one neuron to another.

Goals

• To illustrate how nerve impulses  travel in neurons, and from one neuron to another.

Features

Click on to play the movie.

Click on the magnifying glass to see some caracteristics of the signal.

Student sheet

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Tags

stimulation nerve-signal vesicle electrode Cell-Body repolarization depolarization neuron axon neurotransmitter dendrite synapse endocytosis exocytosis resting-potential nerve-impulse Plasma-membrane