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Esat,

Don't be dense.

> Sure N2 is a narcotic but the fact that He feels cold
> when breathed while air feels < so is not due to the
> narcotic effect of N2 dulling the temperature
> receptors of the lungs.  If U say that U R reinventing
> physiology, especially since lungs have a paucity of
> innervation.

Read what I wrote. I said I was NOT inventing any physiology.

It seems you want to turn the discussion into something that it wasn't.
The original question that I was reponding to was about heat loss while diving.
This has nothing to do with how cold the gas feels. 
Many have the misconception that since helium feels colder when breathed 
(at any depth) that they then feel colder on a dive and are losing heat.
I was pointing out that many do not recognize that N2 IS NARCOTIC and AFFECTS
what people perceive as loss of heat due to breathing helium. 
It has already been established that less heat is lost breathing helium. The 
more subtle issue was that the non-narcotic properties of helium allow the
diver to be 
more alert (not anesthetized) and perceive how cold they are 
(instead of the N2 masking that perception)


> 
> I am not going to geti into a contest RE: dives I do
> or don't or the reading I do or don't. 
> 

Fine.

> As erudite a diver that U submit U R, maybe U can
> enlighten us w/ some citations that elaborate on your
> postulate that it is because He non narcotic that it
> feels cold when breathed.

Entirely irrelevant. Non-narcotic properties have nothing to do with 
perceived cold when breathed. 

> 
> Also if U play nice, I will definitely love to discuss
> the fallacies of your thinking.  A hint may B to read
> what Hans posted.

Oh, you are just too cute for me. It is really difficult to take you seriously 
with this cutsie writing style of yours. 

I am done wasting my time with you.

Steve

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