In the brain,from childhood to middle age,gray matter ______ and white matter ______.
A) decreases;increases
B) decreases;decreases
C) increases;decreases
D) increases;increases

Question

Quizplus · Accepted Answer

Gray matter, which consists mostly of neuronal cell bodies, tends to decrease from childhood to middle age, while white matter, composed largely of myelinated nerve fibers, increases. This reflects the brain's developmental process of synaptic pruning and myelination.

In the Brain,from Childhood to Middle Age,gray Matter ______ and White