One of the following is made of myelinated nerve fibers of tracts:
Correct answer: A. White matter
- A. White matter
- B. Gray matter
- C. Cell bodies
- D. Nerve fibers
Explanation
White matter consists mainly of bundles of myelinated axons, or tracts, which rapidly transmit signals through the nervous system. Gray matter contains more neuronal cell bodies and unmyelinated portions.
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