Why does carbon dioxide diffuse accross the lung membrane so easily (moreso than!


Question:

Why does carbon dioxide diffuse accross the lung membrane so easily (moreso than oxygen)?


Answers:

Please see the web page for more details on Carboxyhemoglobin. Carboxyhemoglobin is hemoglobin bound to carbon monoxide instead of oxygen or carbon dioxide. Carbon monoxide has a much higher affinity for hemoglobin than does oxygen (210 times more), and high percentages of carboxyhemoglobin in the blood impairs the normal transport of oxygen by the blood.




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