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What is the normal range of oxygen diffusion rates in a normal young adult human?


Posted by Alexkun

 
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Alexkun:

You need to be a bit more specific with your question.  Oxygen diffuses from the alveoli into the blood stream (attaches to red blood cells).  It then is released (dissociates) into the cells and is replaced by carbon dioxide.  The CO2 laden red blood cells (RBC) then return to the lungs and the CO2 is off loaded and expired, and more O2 is loaded on. 

There is an oxygen-hemoglobin dissociation curve which takes into account pH, amount of O2 and amount of hemoglobin (what O2 attaches to in the RBC) and temperature.  Changes in those parameters will affect the extent that O2 attaches or dissociates from the RBC's.

If you give me a bit more on what your concern is, then possibly I might be able to give you some more insight.

Daniel A.

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