Question

how is the small intestine designed to absorb digested food?​

Answer 1

small intestine is designed with finger like projections called villi which help in digestion of digested food

Answer 2

here is the answer of your question ...

the walls of the small intestine contains millions of tiny finger like projections called villi.

the presence of Villi gives a very large surface area for the small intestine to observe the digested food .