Answer:
Mouth: Amylase
Pancreas: Pancreatic lipase, trypsin, Chymotrypsin.
2. Protein digestion starts in the mouth when the chewing process starts.
In the stomach, the hydrochloric acid and enzymes called proteases break it into chains of amino acids.
In the small intestine, a substance called BICARBONATE BUFFER then reduces the acidity of the digested food.