Biology Question: Human body temperature and surrounding temperature

[sltungle]

This question was bugging me a while back, and it just crept up in my mind again while talking to someone on MSN:

Why is it that when the surrounding environment reaches a temperature as 'low' as, say, 25 degrees Celsius, that people begin to feel uncomfortably hot?

Why does the human body not feel the most comfortable when the surrounding temperature is the SAME as body temperature? That way it would seem that it shouldn't have to fight to stay warm or cool (although, we all know that if it IS 37 Celsius (98.6 Fahrenheit) you'll probably be sweating pretty badly (which seems weird to me).

Maybe I'm overlooking something incredibly obvious. Anyone know why this is?

[angelangel]

Because your body needs to lose heat in order to maintain a constant body temperature of 36/37.

[sltungle]

[QUOTE=angelangel;23118159]Because your body needs to lose heat in order to maintain a constant body temperature of 36/37.[/QUOTE]

And there's the incredibly obvious thing I missed. Duh. Half of the reactions that occur in your body are exothermic. You've got to lose the waste heat energy somehow. My face met my palm after reading that.

Thanks for that.