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More Co2 = less brains?

Brian Scott brians at interlog.com
Thu Feb 13 19:18:39 EST 1997

In article <33037DAE.69DF at lstud.ii.uib.no>,
Anders Skarsb|  <ip693 at lstud.ii.uib.no> wrote:
>Jaimie Polson wrote:
>> In <01bc17cd$42cb8560$b049bacd at dnawten.ix.netcom.com> "Nate" <dnawten at ix.netcom.com> writes:

>> According to Smith & Kampine, "Circulatory Physiology" text...
>> A decrease in pH or an increase in CO2 will shift the oxygen dissociation
>> curve to the right - ie a greater PO2 is then required for haemoglobin to
>> bind the same amount of O2.  If I recollect correctly, this is part of the
>> way in which O2 is released from haemaglobin in the tissues. The higher
>> level of CO2 caused by metabolic activity increases the release of oxygen
>> So presumably, this means that with a higher PCO2 in the blood, less O2
>> would bind for a given PO2 - but I don't know how significant this would
>> be at any imaginable increase in CO2 levels.
>> (And also, this does not account for the body's homeostatic responses to
>> reduce the high CO2 - that were kindly explained to me earlier.)
>> Jaimie

>Allright, this is getting a bit advanced for me here, but I still think
>it sounds like someone is confusing CO2 with CO - there is a BIG
>difference, as most of you will know. CO2 only suffocates by replacing
>the O2 in the air, in reality drowning a victim just like water. O2, on
>the other hand, is poison, and destroys the haemoglobin.

O2 is a poison that destroys haemoglobin eh?  Typing mistakes are a BITCH 
aren't they?  ;-)


Brian Scott        |"I cured the patient with a manual stimulation of the
brians at interlog.com| vagina and clitoris and the patient took great pleasure
 M.Sc. student     | from this, much semen came out and she was cured."
 Neurophysiology   | - Galen's treatment for hysteria (130 a.d. - 200 a.d.)

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