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Explore the structure and function of neurons, the fundamental units of the nervous system responsible for transmitting and processing information. Learn about the soma, axon, and dendrites that make up a neuron. Discover the fascinating world of these intricate cells.
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The Neuron • The basic unit of the nervous system. • A single cell capable of receiving and relaying information. • Of all the cells in our body, only neurons interact. • Estimated that the average human has 100 billion neurons in his/her nervous system.
Structure of a Neuron • 3 Basic Parts: • Soma: Body of the cell. • Axon: Outgoing, thick projection off of the soma (output). • Dendritic branches: incoming, thin projections off of the soma (input).