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Multiple Choice QuestionThe internal 'timekeeper' located in the hypothalamus is the _____, which regulates physiological activity on daily cycles.Multiple choice question.reticular formationsuprachiasmatic nucleusmotor cortexretina

Question

Multiple Choice QuestionThe internal 'timekeeper' located in the hypothalamus is the _____, which regulates physiological activity on daily cycles.Multiple choice question.reticular formationsuprachiasmatic nucleusmotor cortexretina

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Solution

The correct answer is the suprachiasmatic nucleus. This part of the hypothalamus is responsible for controlling circadian rhythms, which are the physical, mental, and behavioral changes that follow a daily cycle. They respond primarily to light and darkness in an organism's environment.

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