Question

what is the role of roughages in alimentary tract?​

Answer 1

it increases surface area for digestion and absorption...

Answer 2

Answer:

1) Roughages are fibers of either Carbohydrates or Proteins.

2) Constipation can often be avoided by having plenty of Roughages in the diet and wasy for Digestion.

Ex: Some Friuty and Leafy Vegetables contains Roughages.