Motivation for sexual behavior is centered in the

A) adrenal gland.
B) hypothalamus.
C) amygdala.
D) pituitary gland.

The hypothalamus is the region of the brain that plays a crucial role in regulating sexual behavior and desire. It releases hormones that signal to the reproductive organs to produce sex hormones like testosterone and estrogen. It also regulates the release of dopamine, a neurotransmitter associated with reward and pleasure, which is involved in sexual motivation and arousal.