Chemical digestion is one of the six main functions of your digestive system. This system consists of your digestive or gastrointestinal tract and accessory organs. During chemical digestion, your ...

Read on to learn more about the biology of the mouth and its role in digestion. This article also explains the functions of other parts of the digestive system.

It signals the rest of the digestive system Once food enters the stomach and mixes with acid, this triggers hormonal and neural signals that stimulate other digestive organs—like the pancreas ...