Why, when we feel hot underneath the covers, does sticking one leg out cool us off, when obviously it is the body mass that is most uncomfortable?

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Why, when we feel hot underneath the covers, does sticking one leg out cool us off, when obviously it is the body mass that is most uncomfortable?

In: Other

Because your foot shares the same blood supply as the rest of your body. When hot blood runs through your foot, and your foot now has access to cold air, it cools off while it is in your foot and then it gets pumped back to the rest of your body, cooling the rest of your body.

Simply your skin acts as one big radiator, having more skin exposed to cool air the cooler you will feel