The digestive system is used to break down the food that we eat. It is made up of many different organs like the oesophagus, stomach, intestines etc… Digestion starts when food is taken into the mouth. This is called ingestion. The teeth are used to break the food into small pieces. The pieces are mixed with a liquid called saliva. The salivary glands produce salivary amylase inside the mouth. Amylase enzymes break down the starch by cutting it up into separate glucose molecules. Which help break down the starch in the food. The food is swallowed down the...
warm water to soften it

2. Tie one end in a knot

3. Insert starch in this case mashed potato into visking tubing.

1. Crushed potato starch was placed in to the model gut

· the end of the model gut will be tied so that starch cannot escape

· the starch will be poured inside the model gut with some enzymes with it

· the water is carefully poured inside the test tube but outside the gut

· one testube will be put in a 80