Neurons Parts of a Neuron Dendrite Axon Myelin sheath

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Mean = 75.1 sd = 12.4 range =
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Presentation transcript:

Neurons Parts of a Neuron Dendrite Axon Myelin sheath Multiple sclerosis Terminal branches Cell body

Neurons

Neurons

Neurons

Neurons

Neurons

Neurons

Neurons

Neurons Speed of a neuron impulse Range from 2 to 200 MPH Measured in milliseconds (thousandths of a second)

Neurons Firing of a neuron Resting potential Selectively permeable Action potential Ions Positively versus negatively charged Resting potential Selectively permeable

Neurons Firing of a neuron Depolarize Refractory period Excitatory versus inhibitory Threshold All or none response

Action Potential

Action Potential

Action Potential

Action Potential

Action Potential

How Neurons Communicate Synapse Synaptic gap (synaptic cleft) Neurotransmitters Reuptake

How Neurons Communicate

How Neurons Communicate

How Neurons Communicate

How Neurons Communicate

How Neurons Communicate

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