Eating vegetables, fruits, and whole-grain products that are high in keep the digestive system healthy.

ANSWER:

Eating fruits, vegetables and whole grain products that are high in fiber help to keep the digestive system healthy.

EXPLANATION:

Fiber is one of the main nutrients that are required to be taken by the human body so that it can function in a proper manner. Fiber is essential for the proper working of the digestive system and ensures that the food eaten gets digested. Fiber cannot be broken down by the body and passes through the body undigested ensuring that the gut functions in a proper manner. Fiber helps to regulate the sugar levels of the body and also helps to keep a check on hunger thereby enabling one to maintain a healthy body weight.