<prompt> Function of I cells of kidney -Na reabsorptionCl- reabsorptionH secretionK secretion  <response>: Ans. isci.e., H secretionCollecting duct has :-Principal cells P cells, which are involved in Na reabsorption and ADH stimulated water reabsorption.Intercalated cells I cells which are concerned with acid H. secretion and HCO transPo 