Question

what is roughage does not provide us any nutrients then why these are important for living beings? ​

Answer 1

Answer:

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. Water helps our body to absorb nutrients from food. It also helps in throwing out some wastes from body as urine and sweat.

Answer 2

Roughage is the portion of plant foods, such as whole grains, nuts, seeds, legumes, fruits, and vegetables, that your body can't digest. However, it's an important food source for the bacteria that is benefit in your gut.