How does digestion occur?

The digestive system is made up of the gastrointestinal tract—also called the GI tract or digestive tract—and the liver, pancreas, and gallbladder. The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus. read more

Digestion is the process of changing food into a form that the body can absorb and use as energy or as the raw materials to repair and build new tissue. Digesting food is a two-part process that’s half mechanical, half chemical. read more

Mechanical and chemical digestion. There are two types of digestion occur in mouth i.e mechanical and chemical. Mechanical digestion is done by teeth. There are four types of teeth present in mouth. They are Incisors, Canine, Pre molar and Molar. All teeth grind and masticate the food. Chemical digestion occurs through saliva. read more