What is the main function of the digestive system and how is it structured?

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.

Explanation:

The main function of a digestive system is to digest food. The structure of the digestive system is mouth, esophagus, stomach, small intestine, large intestine, rectum and anus and it has three other organs that help along the way of digestion which are the pancreas, gall bladder, and liver.  :)

Explanation:

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

a is the correct answer