On Fri, 09 Jan 2009 11:48:15 +0000, Invisible <voi### [at] devnull> wrote:

>Stephen wrote:
>
>>> ...oh, wait...
>> 
>> Yes, the cardiovascular system is an effective heat exchanger working with the
>> lungs and skin. :)
>
>More impressive is the scientific *fact* this this system is somehow 
>able to keep the contents of the human body at a temperature drastically 
>*lower* than the surrounding ambient, even though the human body itself 
>generates heat, in utter defience of the 2nd law of thermodynamics.
>
>I'd never believe it if I hadn't seen it with my own eyes...

Sorry, but the ambient temperature is generally lower than body temperature.
When it is higher we use evaporation, as Scott says. 
Although it is amazing the temperatures that we can tolerate. Once I was working

-- 

Regards
     Stephen

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