BioPsych

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Last updated 4:59 AM on 9/9/26
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12 Terms

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Neuron and Glia

Nervous system is composed of two main types of cells

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Gene expression

Nervous system type and function are defined by what

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86 billion

Human has how many neurons?

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2%

Brain is what percentage?

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25%

Body mass uses up to what percent of daily production?

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Neurons

Are specialized for communication using electrical and chemical signals

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Synapses

Communication between neurons occurs where?

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Afferent

-Message toward brain

-sensory neurons

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Efferent

-Message away from brain

-Motor neurons

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Interneurons

Message between neurons

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Dendrites

Parts of a neuron that receive signals from other cells

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Cell body (soma)

The main part of a neuron contrinag the cell’s central compenents