Chapter 2 - Chapter 2 Biology edit Master subtitle style...

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Click to edit Master subtitle style 6/2/11 Chapter 2 Biology and Behavior 1
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6/2/11 The Neurons and the Neurotransmitters n Neuron Specialized cells that conducts impulses through the nervous system - contains three major parts: Cell body n Contains nucleus n carries out metabolic functions of the neuron Dendrites n Branchlike extensions of the cell body n Receive and send messages from other neurons Axon 2
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6/2/11 Communication between Neurons Glial cells n Specialized cells in the brain and spinal cord n Hold neurons together n Removes waste (dead neurons) and does clean-up tasks n Performs manufacturing and nourishing activities Synapse n Junction where axon terminal of a sending neuron communicates with a receiving neuron across the synaptic cleft Resting potential n The slight negative electiral potential of the neuron 3
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6/2/11 Figure 2.1 The Structure of a Typical Neuron 4
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6/2/11 Action Potential 5
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6/2/11 Communication between Neurons n Neurotransmitters Chemical substances released into the synaptic cleft from the axon terminal of a sending neuron Cross a synapse,
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Chapter 2 - Chapter 2 Biology edit Master subtitle style...

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