Which of the following correctly describes a difference between gray matter and white matter in the central nervous system?

• A. Both gray and white matter contain equal amounts of neuron cell bodies and myelinated axons.
• B. White matter is primarily involved in processing information, whereas gray matter is involved in transmitting information.
• C. Gray matter primarily contains myelinated axons, whereas white matter contains neuron cell bodies.
• D. Gray matter contains neuron cell bodies and dendrites, while white matter is predominantly made up of myelinated axons.

Answer: (D)