Digestive System Procedures
Digestive may refer to: Biology *Digestion, biological process of metabolism Food and drink * Digestif, small beverage at the end of a meal *Digestive biscuit A digestive biscuit, sometimes described as a sweet-meal biscuit, is a semi- sweet biscuit that originated in Scotland. The digestive was first developed in 1839 by two Scottish doctors to aid digestion. The term ''digestive'' is derived from th ...

Digestion
Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma. In certain organisms, these smaller substances are absorbed through the small intestine into the blood stream. Digestion is a form of catabolism that is often divided into two processes based on how food is broken down: mechanical and chemical digestion. The term mechanical digestion refers to the physical breakdown of large pieces of food into smaller pieces which can subsequently be accessed by digestive enzymes. Mechanical digestion takes place in the mouth through mastication and in the small intestine through segmentation contractions. In chemical digestion, enzymes break down food into the small molecules the body can use. In the human digestive system, food enters the mouth and mechanical digestion of the food starts by the action of mastication (chewing), a form of mechanical digestion, and the wetting contact o ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]