El domingo, 29 de julio de 2012, Don Cooper escribió:
> It is in fact the accumulation of CO2 in your body and not the lack of > oxygen that causes the "gasp reflex" > > You can't inhale pure CO2 - somehow your lungs reflexively signal your > diaphragm to expel. > > With CO2, I believe you'd wretch and choke to death if you were forced > to breathe high concentrations. It isn't poison, Wikipedia bears that out > :-) > but poisonous gas might be a more pleasant 'way to go'. > > -WaV > > On Sat, Jul 28, 2012 at 11:36 PM, Louise Power > <[email protected]<javascript:;>> > wrote: > > I went back and looked. Could have just been a typo. Every other place it > > said dioxide. > > > >> Date: Sat, 28 Jul 2012 21:42:26 -0400 > >> To: [email protected] <javascript:;> > >> From: [email protected] <javascript:;> > >> Subject: RE: [Texascavers] Carbon Dioxide > > > >> > >> Weird that the source Louise cited brought up cabon > >> _mon_oxide poisoning. That is irrelevant and _much_ worse. Carbon > >> monoxide binds very strongly to hemoglobin, similarly to cyanide and > >> unlike carbon dioxide and oxygen, which bind quite reversibly. CO > >> very quickly becomes toxic, whereas CO2 is relatively benign, causing > >> illness but not fatality unless high levels are maintained for a > >> prolonged period. > >> Fortunately carbon monoxide is relatively rare in the > >> natural world and comes mainly from incomplete combustion. Simple > >> confinement will not likely produce CO poisoning unless the > >> atmosphere is already contaminated. > >> > >> Mark > >> > >> At 07:32 PM 7/28/2012, Louise Power wrote: > >> > >Some external sources that can cause carbon monoxide poisoning > >> > include cigarette smoke, gas water heaters, charcoal grills, boats > >> > with engine, diesel or gasoline powered generators, and spray paints. > >> > >> Please reply to [email protected] <javascript:;> > >> Permanent email address is [email protected] <javascript:;> > >> > >> > >> --------------------------------------------------------------------- > >> Visit our website: http://texascavers.com > >> To unsubscribe, e-mail: > >> [email protected]<javascript:;> > >> For additional commands, e-mail: > >> [email protected]<javascript:;> > >> > > --------------------------------------------------------------------- > Visit our website: http://texascavers.com > To unsubscribe, e-mail: [email protected]<javascript:;> > For additional commands, e-mail: > [email protected]<javascript:;> > >
