Information received by sensory cells is conveyed to central nervous system in the form of impulses and for this to happen when the receptor cell is not a neuron, its receptor potential must be transferred to a neuron.
Neurons are information messengers and they use electrical impulses and chemical signals to transmit information between different areas of brain, and between the brain and rest of the nervous system.
The most common brain cells are neurons and non-neuron cells are called glia. The average adult human brain contains of 100 billion neurons and glia. Although neurons are most known brain cells but both neurons and glial cells are necessary for proper brain function.
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