system
Given the following post, respond as if you're commenting on Reddit:
human
If evaporating sweat is the main way humans lose heat why don't we overheat dangerously in a hot bath?

Maybe the sweat from your head would be significant, but what if you were submerged in a hot bath with a snorkel? How would your body maintain a stable internal temperature?
gpt
Ever noticed the warnings posted for public hot tubs?  Typically something along the lines of limiting your time to 15 minutes as longer durations can be dangerous?  This is the reason for that warning; it is, in fact, possible to overheat "dangerously" in hot water.