Uninstall Chrome in Windows XP. 1  Close all Chrome windows and tabs. 2  Go to the& Start menu Control Panel. 3  Click Add or Remove Programs. 4  Double-click Google Chrome. 5  Click Remove. 6  Click Uninstall from the confirmation dialog.
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 of saliva.
Digestion. Definition. noun. (1) (physiology) The catabolic process in the digestive tract where ingested food is converted into simpler, soluble and diffusible substances that can be assimilated by the body.(2) (microbiology) The process of decomposing organic matter through microbial activity. (3) (medicine) Suppuration.n physiology, digestion pertains to the mechanical and chemical processes to break up food into smaller or simpler constituent parts that can be absorbed or assimilated. Different organisms utilize different ways to digest food. Some organisms employ external digestion whereas others use internal digestion.