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Multiple Choice
Which of the following is not a function of glial cells?
A
Forming myelin sheaths around axons
B
Providing support and protection for neurons
C
Maintaining homeostasis in the nervous system
D
Transmitting electrical impulses
Verified step by step guidance
1
Understand the role of glial cells in the nervous system. Glial cells are non-neuronal cells that provide support and protection for neurons, maintain homeostasis, and form myelin sheaths around axons.
Recognize that glial cells do not transmit electrical impulses. This function is specific to neurons, which are the primary cells responsible for transmitting signals in the nervous system.
Identify the functions of glial cells: forming myelin sheaths, providing support and protection, and maintaining homeostasis. These functions are crucial for the proper functioning of neurons and the overall nervous system.
Compare the functions listed in the problem with the known functions of glial cells. The function of transmitting electrical impulses is not associated with glial cells.
Conclude that the correct answer is the function that is not performed by glial cells, which is transmitting electrical impulses.