Sentences of a paragraph are given below. While the first and the last sentences (S1 and S6) are in the correct order, the sentences in between are jumbled up. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.
S1. For few years now manufacturers have been taking all the roughage out of our food.
A. Over several million years our digestive systems have been developed to deal with food which contains roughage and they have developed in such a way that the roughage actually has quite an important part to play.
B. What the manufacturers did not realise, however, is that our bodies have grown accustomed to the roughage.
C. When they first started doing this they undoubtedly thought that they were doing us all a favour.
D. Roughage doesn’t contain any nutritional value and it goes through the intestinal tract unchanged.
S6. It is the roughage that gives your bowel walls something to squeeze.