Physiology Gastrointestinal System d14d3534 Antibodies in newborns are maximally absorbed from:- A Duodenum B Jejunum C Ileum D Colon High-Yield Explanation Pa of intestine Ions absorbed Duodenum Jejunum Ileum Cl- . HCO-3, Ca2+, Fe2+ Cl-, HCO-3 Maternal antibodies, bile salts, vit. B12, Mg2+