The following nutrients are important in the diet
Carbohydrates, Minerals, Proteins, Vitamins, Fats, Roughage and Water
The nutrients provide the body with energy and growth.
Food is ingested in the mouth. It must be broken down mechanically and
It then enters the blood stream and is distributed to the living tissues
in the body.
Digestion and Absorption take place in the Alimentary Canal (runs from
the mouth to the anus)
The Alimentary Canal is muscular with layers of circular and
The circular muscles push food along the Alimentary Canal by contracting
and relaxing(Peristalsis) the food is digested and then absorbed in the various
regions of the Alimentary Canal.
The smaller molecules (digested food solution) pass through the walls of
the intestine and in time will enter the blood stream.
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