Question

Roughage is indigestible, yet it should be present in our diet. Why?​

Answer 1

Answer:

Roughage has no nutrients in it yet it is necessary to include it in our diet as it is important for keeping the digestive tract working smoothly. Since we do not digest it, the fiber in food passes into the intestine and absorbs water. The undigested fiber creates "bulk" so the muscles in the intestine can push waste out of the body.

Explanation:

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Answer 2

HELLO,

Roughage does not provide any nutrient to our body, but is an essential component of our food and adds to its bulk. This helps our body get rid of undigested food. Main sources: Whole grain and pulses, potatoes, fresh fruits and vegetables.