Getting into Vitamins continue…
Understanding Your Digestive System
Knowing how your digestive system works will clear up, right at the start, some of the more common confusions about how, when, and where nutrients operate.
Mouth and OesophagusDigestion begins in the mouth with the grinding of food and admixture of saliva. An enzyme called ptyalin in the saliva already begins to split starches into simple sugars. The food is then forced to the back of the mouth and into the oesophagus, or gullet. Here is where peristalsis begins. This is a kneading “milking” constriction and relaxation of muscles that propels material through the digestive system. To prevent back-flow of materials, and to time the release of proper enzymes — since one enzyme cannot do another enzyme’s work — the digestive tract is equipped with valves at important junctions. Read the rest of this entry »
