Carbon dioxide - by what mechanism is it poisonous?
tivol at news.wadsworth.org
Mon Jul 21 17:00:30 EST 1997
JIM NAPIER (NAPIERJ at Agresearch.cri.nz) wrote:
: I am interested in finding out the mechanism by which CO2 is poisonous.
: I used to think that CO2 is not poisonous, and that it only kills when it
: displaces the oxygen in a container. I have since been told that this is
: NOT the case and that it IS toxic.
When the CO2 concentration in the air gets above a certain value--
I think it is ~5-10%--it acts to paralyze the diaphragm. I don't know
the mechanism on a more detailed level.
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