Borderline diabetes, also known as pre-diabetes, is a condition where only some of the diagnostic criteria of diabetes mellitus are met. This is often described as being the gray area between normal blood sugar levels and diabetic levels.
Carbohydrate digestion begins in the mouth, and is broken down with the enzymes in saliva. Protein digestion starts in the stomach, and is broken down with pepsin. Fats are diâ¦gested in the small intestine using bile and other chemicals. Making the world better, one answer at a time.
Digestion Begins. Enzymatic digestion occurs primarily in the mouth, stomach and small intestine. Both physical and chemical digestion begin in the mouth: the process of chewing grinds up food and mixes it with saliva, which contains an enzyme called salivary amylase. Enzymes facilitate chemical reactions by binding to reactive molecules.