Enzymes are biological catalysts which speed ... digested and its nutrients absorbed by the body. Modelling the digestive system Try this experiment and recreate processes in the digestive system ...

The digestive system is the series of tubelike organs ... process of chemical digestion using specialized proteins called enzymes. Secreted at various points along the digestive tract, enzymes ...

Animated description of the digestive process and the structures of the digestive system involved at each ... In the stomach, enzymes and acid in digestive juices break down proteins, sugars ...