discuss the importance of roughage in our diet

Solution:

Roughage consists of undigestible carbohydrates found in fruits and vegetables and remains undigested in the entire digestive tract from mouth to anus.

The roughage serves certain important functions:
  1. It helps the muscles of the digestive tract in the formation of stools.
  2. It prevents constipation and ensures proper bowel movement.
  3. A diet that supplies adequate roughage is thought to reduce the incidence of heart diseases, bowel cancers and irritation of the bowels.

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