The functional unit for the absorption of digested food is

Name the part of the alimentary canal where the major absorption of digested food takes place. What are the absorbed forms of different kinds of food materials?

The function of villi in the intestine is

By which mechanism is fructose absorbed in the enterocytes of the small intestine?

Which one of the following statements is true regarding the digestion and absorption of food in humans?

Absorption of water,simple sugar and alcohol takes place in