HUMAN NUTRITION

Detailed explanation-1: -It is called dietary fiber. The cellulose strings in a stalk of celery is a good visible example. Dietary fiber is a non-nutrient because it is not digested or absorbed by the body.

Detailed explanation-2: -Water and roughage are not nutrients but are still very necessary for our diet.

Detailed explanation-3: -What is dietary fiber? Dietary fiber, also known as roughage or bulk, includes the parts of plant foods your body can’t digest or absorb. Unlike other food components, such as fats, proteins or carbohydrates-which your body breaks down and absorbs-fiber isn’t digested by your body.