The Stomach is where Proteins are digested. This needs an acid environment and enzymes like pepsin. The digested proteins are not absorbed into the body by the stomach - this happens further down the alimentary tract.
Protein Protein
Enzimes
Proteins
digestion
acid
The stomach is an acidic environment. This helps with the process of digestion.
Acid is found in the stomach, because the acid helps in digestion.
lactobacillus
it decreases acidity and helps in digestion.
Under the stomach lies the small intestines.
They have rocks in them because it helps with digestion in their stomach.
The Human stomach (also known as 'the belly') is an internal system which helps in the digestion of food.
Amylase
The stomach produces a liquid called stomach juices during digestion to make the food easier to digest in the small & large intestines.
It's a form of physical digestion, I assume its the substance inside your stomach, i.e liquid in the central region.