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What happens if your hands are really cold and you put it in hot water?
Wiki User
∙ 12y ago
the hot water will feel much hotter than it actually is. This is because the nerves that sense temperature feel cold or warm. Hot causes both types to fire. When your hands are cold, and you put them into hot water it can cause those nerves to fire more then they normally would.
Also, if your hands are cold enough, the blood will be thickened, and the vessels will be constricted. Suddenly plunging your hands into hot water will cause the vessels to expand, sending the thickened, cold blood rushing up towards your heart which can cause a heart attack.
Wiki User
∙ 12y ago
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