Pineal glandproduces melatonin, whichhelps regulate sleep-wake cycles

Hypothalamus - -brain structure that controls thepituitary gland; links nervous systemand endocrine system

Pituitary glandregulates activities of several otherglands; produces growth hormone,prolactin, and oxytocin

Thyroid glandcontrols body metabolism rate

Lungs \anatrachea

Adrenal glands(adrenal cortex and adrenal medulla)produce epinephrine (adrenaline) andnorepinephrine, which cause physicalarousal in response to danger, fear,anger, stress, and other strong emotions

Pancreasregulates blood sugar and insulinlevels; involved in hunger

Uterus Kidneys

Ovariessecrete estrogen and progesterone, whichregulate female sexual developmentand reproduction and influence sexualbehavior

Testessecrete testosterone, which regulatesmale sexual development andreproduction and influences sexualbehavior