Answer:
Protein is a necessary ingredient that is important for numerous bodily functions, such as tissue growth and repair, hormone and enzyme production, and immune system maintenance. When humans eat protein, the amino acids that make up the protein are disassembled.
In the stomach, where it is combined with digestive enzymes and stomach acid, protein breakdown starts. The amino acids are separated from the protein bonds with the assistance of this combination. The small intestine then receives the resulting concoction of amino acids and peptides.
Additional digestive enzymes are released into the small intestine by the pancreas and the intestinal wall to further break down the protein into its component amino acids. The small intestine's inner wall then allows these amino acids to enter the circulation where they are then carried to various bodily cells.
Once inside the cells, amino acids can be digested to provide energy or utilised to create new proteins. To ensure that it has enough amino acids to meet its requirements, the body also controls the balance of amino acids in the bloodstream.
In conclusion, the breakdown and absorption of protein begins in the stomach when it is combined with digestive enzymes and stomach acid. Then, the process continues in the small intestine, where additional breakdown occurs, and ends with the absorption of individual amino acids into the bloodstream.