Neurons

 They are specialized cells that transmit informationthroughout the body.

What do neurons enable many important functions such as...

movement, perception, thought, emotion, and learning.

Dendrites

They extend from the cell body of the neuron, and the "antennae" of the neuron.

 What do dendrites do?

   Dendrites send and recieve information from other cells.

Axon

An axon is a long mambrane covered extension of the cytoplasm that conducts nerve impulses.

Axon terminals

   The ends of axons.

Nerves

  Bundles of Axons are called nerves.

 Myelin Sheath

Many neurons have a layer of insulation on their axon called this.

Resting potential

  The membrane potential of a neuron at rest.

Action Potential

  A local reversal of polarity-from negative charge to postitive charge.