Dr. Toby Broussard
Dr. Toby Broussard thanked Sehar Suleman's answer
Dietary fiber or roughage refers to the indigestible fibrous material e.g. cellulous, present in the diet. It is important because it provides volume to the intestinal contents and helps in peristalsis. Peristalsis is a series of wavelike, muscular movements of the walls of the digestive tract. These movements enable food to be mixed with the … Read more
Dr. Toby Broussard
Dr. Toby Broussard thanked Anonymous' answer

Roughage is a general term used to identify a carbohydrate contained in many different types of foods. Sometimes referred to simply as dietary fiber, it is understood to be an essential part of any healthy diet plan. Its main function is to add bulk to the diet, which in turn aids in the digestion process … Read more