Sanjay Has Just Started Middle School

Multiple Choice

Sanjay has just started middle school.What will happen to his axons as he progresses toward high school graduation?

A) They will increase production of myelin until reaching the Hayflick limit.
B) They will gradually release more androgens to promote sexual maturity.
C) They will steadily increase in number as they become covered with insulation.
D) They will sharply expand in number before being pruned back to adult density.