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Neurons!

Neurons!. Message = nerve impulse The impulse travels in one direction It travels at the same speed within 1 neuron It travels with the same intensity w/in 1 neuron. nucleus. Cell body. axon. dendrites. Myelin sheath – keeps the electrical signal in the axon. Axon terminal.

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Neurons!

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  1. Neurons! • Message = nerve impulse • The impulse travels in one direction • It travels at the same speed within 1 neuron • It travels with the same intensity w/in 1 neuron

  2. nucleus Cell body axon dendrites Myelin sheath – keeps the electrical signal in the axon Axon terminal The next dendrite

  3. Neurotransmitters are in the “bubble” Axon terminal Dendrite of the next neuron. synapse The gap between neurons is the synapse. http://www.biologymad.com/NervousSystem/synapses.htm

  4. http://www.biologymad.com/NervousSystem/synapses.htm

  5. Link to another animation of the synapse Link to an explanation and animation

  6. Drugs That Influence Neurotransmitters NIH Publication No. 00-4871

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