What Causes The Kidney To Produce Erythropoietin?

What Causes The Kidney To Produce Erythropoietin? The kidneys and liver produce erythropoietin when oxygen levels in the cells are low. The hormone then stimulates the bone marrow, which, in turn, makes more red blood cells. It is normal for a small amount of erythropoietin to circulate in the blood, as this helps replenish the