I'm thinking gases diffuse through membranes a bit faster than you think.
One whiff of cyanide (HCN) is almost immediately fatal. Even if you hold your breath, it seeps thru the skin and kills you. (that's why it's the choice of the California gas chamber TPTB)
One whiff of cyanide (HCN) is almost immediately fatal. Even if you hold your breath, it seeps thru the skin and kills you. (that's why it's the choice of the California gas chamber TPTB)



