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
The tissues are different, both in terms of nerve-endings and thickness. Furthermore, there’s saliva in your mouth (hopefully) that coats your throat and cheeks. Also, our oral orifices go thru a different kind of repetitive abuse than most areas on our bodies, but if we abused other parts of our skin, they too would lose sensitivity (think martial artists with calluses and grandmas that have burnt the shit out of their fingers over and over).
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