Well, I don't know If I really understand the question but the digestion begins when the food enters the mouth, that is when teeth start crushing (mechanical), and the tongue forms the food into a ball, and salaiva covers the food and softens it, so it can go through the oesophagus.
I hope I answered your question. =)
mouth
The mouth.
The anus is the last part of the digestive tract.
That wavelike movement of the digestive tract is known as peristalsis.
The digestive tract consists of the mouth, the throat, the stomach, the intestines, the rectum, and the anus. The liver and pancreas are attached to the digestive tract by the means of tubes, so they can supply their own digestive fluids and enzymes, however they do not lay within the digestive tract.
the parts are: mouth, tongue, palate, bolus, teeth, espigolthis, esophagus, stomach, pancreas, gallbladder, liver, small intestine large intestine. if u don't feel satisfied u may look at WWW.encyclopedia.com
the digestive tract
The Digestive Tract
E. coli bacteria grow in the digestive tract.
Excess water is absorbed in the large intestine of the digestive tract.
Cornea of the eyes Caecum in the digestive tract Colon in the digestive tract
Fiber is the nutrient that helps move food through the digestive tract. It provides bulk, which activates the stretch receptors in the muscles of the digestive tract, stimulating them to activity.
The definition of absorption in the digestive tract is is the process by which nutrient molecules pass through the wall of your digestive system onto your blood