What is the five roles of the organ in digestion?

The five main roles of organs in digestion include:

1. Ingestion: The mouth takes in food and begins the digestive process through chewing and saliva production.
2. Digestion: The stomach and small intestine break down food chemically and mechanically, with enzymes and acids aiding in nutrient absorption.
3. Absorption: The small intestine absorbs nutrients and minerals from digested food into the bloodstream.
4. Transportation: The esophagus and intestines transport food and waste through the digestive tract.
5. Elimination: The large intestine removes indigestible substances and waste products from the body via defecation.