The process of converting or breaking down food particles that are complex in their original form into simpler substances by the enzymes and acids secreted by different digestive organs.
All the simpler substances after the digestion process body can use them for energy, storage, tissue growth, and repair.
The digestion process starts from the mouth through Gastrointestinal Tract and ends in the small intestine.
The end product of digestion:
All the biomolecules will end up as a precursor or after the completion of the digestion process.
Proteins: Protein is broken down by various proteolytic enzymes in the stomach and duodenum such as pepsin, trypsin, chymotrypsin, dipeptidase, exopeptidase, etc. end products are amino acids.
Carbohydrates: Polysaccharides are broken down by salivary amylase enzyme, so the final products are monosaccharides such as glucose, galactose, fructose, etc.
Fats: The end-products of fats are fatty acids and glycerol.