how come drinking cold water feels refreshing, but cold water on your skin is shocking like a cold shower?
In: Biology
Cold water feels refreshing because, especially when exerting yourself, your internal body tempature is rising. It’s not actually your body responding to the water. When the brain feels you giving it what it needs it rewards you with a release of endorphins as a way to encourage you to keep doing it. It’d your brains natural way of communicating with you.
As opposed to the skin well the outside of us our skin aka epiderminus is designed to detect changes in tempature quickly as a defense mechanism for potential dangers.
In addition if you ever had goosebumps on your skin this is actually left over from our early days when we were covered in a lot more hair. The goosebumps would help fluff out their hairs more to keep us warmer when cold as well as make us look bigger when scared to scare off potential predators
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