At which portion of the hemoglobin-oxygen dissociation curve, do changes in PO2 only affect oxygen saturation of hemoglobin minimally (the relationship is horizontal in this region)?
at high PO2 like found in the lungs
0%
at low PO2 like found in the tissues
100%✨

Question

At which portion of the hemoglobin-oxygen dissociation curve, do changes in PO2 only affect oxygen saturation of hemoglobin minimally (the relationship is horizontal in this region)?

Answer

at high PO2 like found in the lungs

Answer

at low PO2 like found in the tissues

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At which portion of the hemoglobin-oxygen dissociation curve, do changes in PO2 ...

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