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The '''hypothalamus''' is a brain structure that is involved in a number of crucial physiological functions, including hunger, thirst, sleep, body temperature, sex, movement, and emotion.  The hypothalamus plays an important role in monitoring and regulating internal states (e.g., temperature).

The '''hypothalamus''' is a [[brain]] structure that is involved in a number of crucial physiological functions, including hunger, thirst, sleep, body temperature, sex, movement, and emotion.  The hypothalamus plays an important role in monitoring and regulating internal states (e.g., temperature).