In a red blood cell, which of the following will lead to a reduction in the percentage of hemoglobin that has oxygen bound to it?
A. A decrease in the amount of HbRH (Hemoglobin Releasing Hormone) that is bound to HbRH Receptors in the plasma membrane of the red blood cell.
B. A reduction in the concentration of dissolved oxygen in the red blood cell.
C. An enhance in the concentration of hydrogen ions in the red blood cell