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26 September, 23:02

How does the structure of each type of neuron relate to its function in the nervous system?

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  1. 27 September, 01:36
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    Motor neurons:

    A. Function:

    It relay messages coming from the brain or spinal cord to the muscles or organs.

    B. Structure:

    ●Presence of long axons due to long distances the signals have to travel to the muscle its stimulating.

    ●It's myelinated, to assist the signal in travelling long distances as soon as possible.

    Sensory neurons:

    A. Function: its sensory receptors respond to stimuli by converting it into an electrical signal to the brain or spinal cord.

    B. Structure:

    ●Presence of long dendrites / axons

    ● its myelinated

    ●since it's found in the middle of the neuron it forms ganglia that unites in the spinal cord and aid in involuntary reflexes.

    Interneurons:

    Structure:

    ● shorter than motor or sensory neurons

    ● has branches, a lot of branches consisting of axons and dendrites off the cell body to enable multiple simultaneous between neurons

    ● It's body is partially myelinated.

    ●occurs in large clusters of neurons to compensate for its partial myelination to speed up the signal
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