Enzymes Enzymes are one of the most interesting and important substances found in nature. There are two types of enzymes, Some that help join specific molecules together to form new molecules, Others help break specific molecules apart into separate molecules. Enzymes play many important roles, one of the best examples of this is the digestive system. Enzymes in your digestive system break food down into small molecules that can be absorbed by the body. Some enzymes in your digestive system break down starch and others break down fats.
