Provide support, nutritional benefits, and other functions in the nervous system. neurons glial cells sclerenchyma cells dendrites

The correct answer is "glial cells".

Glial cells are cells in the nervous system that are not capable of transmitting information from the brain (as neurons do) but perform a variety of functions.

There are many types of glial cells. Some are:
(1) Astrocytes - these regulate the chemical environment for the neuron as well as providing nutrients to the neurons by acting as a passage for the nutrients to be delivered from the blood brain barrier to the neuron.
(2) Oligodendrocytes and Schwann cells - form the myelin sheath of the neurons in the CNS and PNS respectively.
(3) Microglia - contribute to the immune response in the nervous system

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