A teenage girl steps out of the warm weather and into an air-conditioned building. Shivering, she pulls a sweater from her purse. She is responding to information from

Thermoreceptors detect changes in temperature. When she enters the cooler building, they signal that her body is getting cold, prompting her to shiver and put on a sweater. Mechanoreceptors detect touch or pressure, chemoreceptors detect chemicals, and nociceptors detect pain.

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