How are we able to drink hot liquids, yet if that very same liquid spilled on our hand, it would hurt like crazy? Is there some kind of “internal AC” in our mouths?
In: Biology
There’s a shitload of blood flow to the surface of the mouth tissue to act as a heat exchanger. And either way, when you sip a hot liquid, it immediately spreads out over whatever surface it touches, forming a thin layer that loses heat very quickly.
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