Along with neurons, the human nervous system is made up of_____ cells which greatly out number neurons by about 10 to 1.

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Glial cells, also known as neuroglia, serve supportive functions for neurons such as insulating and protecting them, providing nutrients, and helping with signal transmission. There are about 10 times more glial cells than neurons in the nervous system. Ranvier and dendritic cells are specific types of neurons and polarized cells refer to cells with an imbalance of charges across their membrane, not specific to the nervous system.

Along with Neurons, the Human Nervous System Is Made Up