I can be cooking like a pot roast under my covers but if I leave my foot hanging out, it feels like I’ve reached the perfect temperature.
In: Biology
Your blood carries heat inside your body so your whole body is generally at the same temperature.
Each part of the body can decide how much heat it’s going to take, acting like individual radiators with individual thermostats. The hands and feet are the most powerful radiators but also those with the most efficient settings, because they have a lot of veins and were probably the most exposed in our evolutionary past
Having your body under the blankets and your foot out allows your body to easily regulate. If you’re too hot the foot will use more heat and send it out, cooling your body, if you’re cold, the foot will use a little less heat and let your body warm up
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