A woman's first menstrual period is called

According to Pascarella and Terenzini, during the course of the college years, an individual's ____

temperament becomes more easy-going || attachments become more secured || self-concept and psychological well-being improves || physiological responses increase for the better || || ||

The "pleasure center" of the brain is located in the

A) cortex. B) medulla oblongata. C) hypothalamus. D) optic nerve.