DIGESTION, ABSORPTION AND ASSIMILATION

1.                Digestion

          Process by which complex food substance are broken to

         simple and soluble food  molecules which can be

         absorbed and used by body cells

2.         Absorption

          The movement of simple and soluble food molecule across

         cell lining the small  intestine and then into the blood.

3.      Assimilation

          The process where the  nutrient that absorb in the ileum

          convert to the complex  compound and structural

          components.