α - intercalated cells are present in _________ helps in __________
Intercalated cells are present in Collecting duct
I cells are of 2 types.

Alpha : acid secretion
Beta : HCO3 secretion
Distal convoluted tubule, HCO3– secretion
Distal convoluted tubule, H+ secretion
Collecting duct, H+ secretion
Collecting duct, HCO3– secretion