Multiple choice Which of the following groups of organs belongs to digestive system? Food pipe, windpipe, stomach, mouth Food pipe, diaphragm, lungs, liver Liver, food pipe, stomach, small intestine Teeth, tongue, windpipe, stomach Food pipe, teeth, tongue, lungs Reveal answer Fill a bubble to check yourself C Correct answer Explanation Here all organs belong to digestive system. Food pipe helps food to reach to the stomach, liver produces bile juice that helps carry away waste and broken down fats in the small intestine during digestion.