Human digestive system chewing pieces of food into smaller and smaller pieces. This results in a much larger surface area for the action of digestive enzymes. The teeth are named after their particular roles in the process of mastication—incisors are used for cutting or biting off pieces of food; canines, are used for tearing, premolars and molars are used for chewing and grinding. Mastication of the food with the help of saliva and mucus results in the formation of a soft bolus which can then be swallowed to make its way down the upper gastrointestinal tract to the stomach. The digestive enzymes in
Canadian Digestive Health Foundation Canadian Digestive Health Foundation The Canadian Digestive Health Foundation ("French:" Fondation Canadienne de la Santé Digestive) or CDHF, is a registered Canadian charity. The organization was founded in 1993 as the Canadian Digestive Disease Foundation and renamed the Canadian Digestive Health Foundation in 2001. The objectives of the Foundation are to educate the general public about digestive disease and nutrition, and to advance the science of gastroenterology by funding medical research. In February 2001, it was officially endorsed as the Foundation for the Canadian Association of Gastroenterology. Since then it has raised and invested more than $1 million to fund