<prompt> Iron is actively absorbed in :StomachDuodenum and proximal jejunumLarge intestineIleum  <response>: Ans. is b i.e. Duodenum and proximal jejunum Harrison writes - Iron absorption takes place largely in the proximal small intestine .Ganong writes - Almost all iron absorption occurs in the duodenum.Robbins writes - Most iron is absorbed in the duodenumGhai writes - Iron is absorbed from the duodenum and upper jejunum . 