Ans.B intestine X-Ray shows gas under the diaphragm suggests perforating injury . Most common organ damaged in Penetrating or stab injury : Liver Most common organ damaged in Perforating injury : Small Intestine Most common organ damaged in Blunt abdominal injury : Spleen Most common organ damaged in Seat belt injury : Mesentry Most common organ damaged in Blast injury : Head above water : TM Below water : GIT Most common organ damaged in Deceleration injury- Dudodenojejunal flexure