Word Count : 237

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The human body maintains a stable internal temperature through feedback mechanisms, primarily involving the hypothalamus, which acts as the body’s thermostat. When exposed to extreme cold, thermoreceptors in the skin and hypothalamus detect a drop in body temperature. This triggers the hypothalamus to initiate heat-conserving and heat-producing ___ ___ __________ __________ __________ ________ ____ _________.
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