Get The Digestive Tract In Order Images. The proper functioning of the gi tract is even more intricate than described here with multiple mechanisms for communication and control. The digestive enzyme pepsin begins to breakdown the protein in your sandwich (largely the meat and cheese with smaller amounts in the bread and vegetables).

Human Digestive System
Human Digestive System from www.herbalremediesadvice.org
This system is responsible for receiving food and breaking it down by using enzymes from the glands and by the movement of the various parts of the intestinal tract. However, if a short, blunt object is stuck in the small intestine. It is characterized as smooth muscle.

The human digestive system consists primarily of the digestive tract, or the series of structures and organs through which food and liquids pass during their processing into forms absorbable into the bloodstream.

After the nutrients are absorbed, they are available to all cells in the body and are utilized by the body these repetitive contractions usually occur in small segments of the digestive tract and mix the food particles with enzymes and other fluids. All of these substances are secreted by either cells lining the digestive tract or by glands directly connected to the alimentary tract. The digestive tract is a long muscular tube lined with epithelium specialized for digestion and absorption of food and water. When a person runs, climbs stairs, or otherwise exert yourself, the sinus node issues electrical instructions to increase the pace of the heart in order to provide the muscles and other tissues with the necessary additional.