Changes

===To secrete enzymes for the digestion of chyme and absorb the products of digestion===

===To secrete enzymes for the digestion of chyme and absorb the products of digestion===

[[Image:Dissacharidase.jpg|thumb|right|150px|Dissacharidase - © RVC 2008]]

[[Image:Dissacharidase.jpg|thumb|right|150px|Dissacharidase - © RVC 2008]]

*In digestion, large, complex molecules are broken down into their constituents. They are then absorbed and used by the body for energy or used as building blocks for new complex molecules. The three main molecules that undergo digestion are carbohydrates, triacyglycerols and proteins.

*In digestion, large, complex molecules are broken down into their constituents. They are then absorbed and used by the body for energy or used as building blocks for new complex molecules. The three main molecules that undergo digestion are [[#Carbohydrate Digestion and Absorption|carbohydrates]], [[#Triacylglycerol Digestion and Absorption|triacyglycerols]] and [[#Protein Digestion and Absorption|proteins]].

====Carbohydrate Digestion and Absorption====   

====Carbohydrate Digestion and Absorption====   

*The main soluble carbohdrates found in food are starch, found mainly in plants, and glycogen, found mainly in animal meat.

*The main soluble carbohdrates found in food are starch, found mainly in plants, and glycogen, found mainly in animal meat.