<prompt> The coical pa of collecting duct is functionally similar to which pa of kidney?DCTThin ascending pa of Henle loop.Thick ascending pa of Henle loop.Medullary pa collecting duct.  <response>: DCT.Collecting ducts has mainly 2 poions:Coical poion of collecting duct.Medullary poionMedullary Collecting Duct MCD.PROCESS IN COICAL COLLECTING DUCT:Functionally similar to late segment of distal tubule.Facultative absorption type:Reabsorption of soluteswater depends on body waterelectrolyte balance.Hence, facultative type.Cells involved in reabsopion:Principal P cells.Intercalated I cells. 