Multiple choice What is the function of the hormone 'erythropoietin'? Delays maturation of RBCs Accelerates the production of RBCs and hemoglobin Reduces the affinity of hemoglobin towards oxygen Delays the production of heme protein Stops the development of RBCs Reveal answer Fill a bubble to check yourself B Correct answer Explanation It is an essential hormone for red cell production, which is known as erythropoiesis. It is produced in the kidneys especially under hypoxic condition.