 
<translate> Iji zaa ajụjụ a dị n'elu, ahịrịokwu dị mkpa bụ: A na-emepụta ya n'ime afọ ma bụrụ otu n'ime isi enzymes na-agbari nri n'ime usoro nri nke ụmụ mmadụ na ọtụtụ anụmanụ ndị ọzọ, ebe ọ na-enyere aka ịgbari protein ndị dị n'ime nri. N'ihi ya, azịza ya bụ afọ. <eng> To answer the above question, the relevant sentence is: It is produced in the stomach and is one of the main digestive enzymes in the digestive systems of humans and many other animals, where it helps digest the proteins in food.
Therefore, the answer is the stomach. 