Question

this is the primary cell of the nervous system, which has the ability to transmit an electrical signal by depolarizing and repolarizing its membrane.

neuron

glial cell

astrocyte

myelin

Explanation:

The primary cell of the nervous system specialized in transmitting electrical signals via membrane depolarization and repolarization is the neuron. Glial cells (including astrocytes) support neurons, and myelin is an insulating sheath, not a cell.

Answer:

Neuron