25+ Anatomy Digestive System Enzymes Images. An enzyme is a protein that speeds up chemical reactions in the body. A digestive system is a group of organs consisting of the central gastrointestinal (gi) tract and its associated accessory organs that break down food the stomach has the lowest ph in the digestive system, occasionally reaching as low as 1.0.
Anatomy of the digestive system. A long continuous tube open at both ends. Search for the gastric phase of digestion :
The accessory organs of the digestive tract are vital to the processes of the digestive system.
During the gastric phase, gastrin is secreted. And when it's done with the stomach is a hollow organ, or container, that holds food while it is being mixed with stomach enzymes. The digestive system is the organ system that breaks food down into small molecules that are absorbed into the bloodstream. During the gastric phase, gastrin is secreted.