What are the main structures and primary functions of the Digestive System?

The function of the digestive system is digestion and absorption. Digestion is the breakdown of food into small molecules, which are then absorbed into the body. The digestive system is divided into two major parts: The digestive tract (alimentary canal) is a continuous tube with two openings: the mouth and the anus.

answer; i do believe that the correct answer is (b)

answer; a database is an organized collection of data in digital format that users to keep track of information;