<prompt> Endocrine functions associated with kidney include all of the following except:Erythropoietin secretionNatriuretic peptide secretion1,25 dihydroxy cholecalciferol formationRenin secretion  <response>: The kidneys produce three hormones: 1,25-dihydroxycholecalciferol, renin and erythropoietin. Natriuretic peptides are substances secreted by the heart. 