What is the function of digestive enzyme?

What is the function of peristalsis in these parts of Human digestive system ? Small intestine

The function of protease enzyme in HIV

Which has taken up the function of digestion and transportation of nutrients to each and every cell of the body in cnidarians?

Why the bile juice is considered important even though it does not contain any digestive enzymes ?

What is the role of pH in our digestive system ?

Explain the different digestive enzymes and their functions with the help of a table

Bile juice contains no digestive enzymes, yet it is important for digestion. How ?

What is the fate of the digested substances that move into blood from the intestine ?

What are the end products of digestion?