The volume of gray matter in the brain peaks for girls at about age _____ and for boys at about age _____

Why is teenage sexuality such a worry today, compared to in the past?

A) Girls now reach puberty a decade or more before they marry. B) Teenagers are now are less obedient. C) The media now talks too much about sex. D) People now encourage teens to have sex.

One key feature in the brains of people with schizophrenia would be

a. an enlarged cortex. b. an enlarged thalamus. c. enlarged ventricles. d. enlarged oracles.