can CO block all the binding sites for hemoglobin?

[Smooth Operater]

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CO may binds to the hemoglobin with a much higher affinity than oxygen and can block all of the binding sites. Is this true? I got it from a friend's DAT note, but he may meant CO2. thanks!

 

[Gordon9721]

carbon monoxide: CO, true.

 

[Streetwolf]

That would be why carbon monoxide poisoning happens.