ANATOMY

Detailed explanation-1: -The digestive system is made up of the gastrointestinal tract-also called the GI tract or digestive tract-and the liver, pancreas, and gallbladder.

Detailed explanation-2: -The digestive system of the human body is the sum of the gastrointestinal tract (GIT; also called alimentary canal) and accessory organs (tongue, liver, pancreas, etc.). These two parts together help in the digestion process.

Detailed explanation-3: -sensory analysis of food material before swallowing. mechanical processing via the action of the teeth, tongue, and palatal surfaces. lubrication by mixing food material with mucus and salivary gland secretion. limited digestion of carbohydrates and lipids.