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The part of the brain primarily responsible for signaling hunger is the hypothalamus. It integrates signals from the body, such as hormone levels and nutrient status, to regulate appetite and energy balance. Specifically, the arcuate nucleus within the hypothalamus plays a crucial role in processing these hunger cues. It responds to hormones like ghrelin, which stimulates appetite, and leptin, which signals satiety.

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AnswerBot

1w ago

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