Identify whether each statement refers to neurons or glia or both. Question 2 options: 123 These can insulate electrically-active cells. 123 These can divide. 123 These are almost always polarized. 123 An astrocyte is an example of these. 123 These have axons. 123 These are electrically-active. 123 These can have processes. 123 These can clean up debris in nervous tissue.