It was warm all week some time last November, and you walked…
It was warm all week some time last November, and you walked to class in short sleeves and shorts each day. On a Thursday night, an Arctic cold front passed through and temperatures dropped below freezing. You didn’t check the weather forecast before you headed out Friday morning, and as you walked to class in short sleeves, you started shivering so much that your teeth started to chatter. In this scenario, your muscles are acting as the ______ in this feedback loop.
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