Enzymes are used to break down food.
small intestine
Enzymes are substances that break down food into smaller molecules to aid in digestion. They work by catalyzing chemical reactions that help to break down proteins, carbohydrates, and fats into simpler forms that can be absorbed by the body.
Antibodies are not used to break down food.
It is digestion.The process used to break down food is called digestion. Digestion helps break down food so that the nutrients can be absorbed into the system.
There isn't an enzyme in humans that breaks cellulose down, but the substance is still used for roughage in the alimentary canal so there is something for the muscles to push against as food moves down
your teeth and spit
Enzymes, such as amylase, protease, and lipase, are substances in our bodies that help break down food into smaller molecules that can be absorbed by the body. These enzymes are produced by organs like the mouth, stomach, and pancreas.
mechanical
in the stomach to break down food
Even though there are many systems in the body the only system that is used to break down food is the digestive system. The stomach and the intestines work together to help break down food as well.
lysosomes
The stomach and small intestine digest and break down food. These organs are found in the digestive system.