How much time it would take for emptying of 100 % food from small intestine ?

Read the following table and answer the questions given below. How much of time is taken is for 50% emptying of small intestine ?

Explain absorption of food in the small intestine.

How are villi useful for absorption of digested food in small intestine?

The secretions that mix food in the small intestine are

Write about the digestion of food in the small intestine.

The three secretion meeting the food in small intestine are