 
 <translate> 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. <hau> Don amsa tambayar da ke sama, jumlar da ta dace ita ce: Ana samar da shi a cikin ciki kuma yana ɗaya daga cikin manyan enzymes na narkewa a cikin tsarin narkewa na mutane da sauran dabbobi, inda yake taimakawa narkar da sunadarai a cikin abinci. Saboda haka, amsar ita ce ciki. 