Regarding erythropoietin, which statement is INCORRECT?

• A. its secretion increases within minutes to hours in response to hypoxia
• B. it causes pro-erythroblasts to mature more rapidly into erythrocytes
• C. the spleen and salivary glands secrete, but don t synthesise it
• D. it inhibits apoptosis in erythroid stem cells
• E. the adult liver is able to synthesise enough for normal erythropoiesis in the absence of both kidneys