<prompt> Iron is actively absorbed in:StomachDuodenum and proximal jejunumLarge intestineIleum  <response>: B i.e. Duodenum and proximal jejunumAlmost all iron absorption occurs in duodenum and upper jejunum proximal small intestineQ.Most of the iron in diet is in ferric form Fe3 but it is ferrous Fe2 that is absorbedQ. Transpo of Fe 2 into enterocyte occurs DMT1. 