In article <32FF4560.92 at qmail.com> j at qmail.com writes:
>Patrick Juola wrote:
>>>> In article <Pine.SOL.3.94.970210105935.1242B-100000 at mol> Ralph Leonhardt <leo at neuroinformatik.ruhr-uni-bochum.de> writes:
>> >But as far as I know the critical parameter is CO2
>> >concentration, since it binds tighter to the hemoglobin in the blood than
>> >O2 and with higher external CO2 it does not dissociate as readily as it
>> >does normally. For further information se any physiology textbook.
>>>> You're confusing the behavior of CO2 with the behavior of CO; CO2 doesn't
>> displace oxygen from hemoglobin.
>>Are you saying that the a higher CO2 level in a crowded room
>does NOT cause drowsiness?
I'm saying that it does not do so by binding more tightly to the blood
hemoglobin than oxygen does.