FUNCTION OF LARGE INTESTINE TRICK: DEWS 1)D- defecation. 2)E- excretion of bivalent ions like sulphate, carbonate, phosphate (NOTE- kidneys cant excrete bivalent ions ). 3)W- water and drug absorption 4)S - synthesis of Vit-k & vit- B12 by the microbes of large intestine @APNI_ACADEMY 1.9K views09:00