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...

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