The process of breaking down food into nutrients is called digestion. Digestion involves both mechanical and chemical processes to transform food into forms that can be absorbed by the body. Mechanically, food is broken down through chewing, and chemically, enzymes in saliva, stomach acid, and intestinal juices disassemble complex molecules into simpler compounds like carbohydrates, proteins, and fats. These nutrients can then be absorbed by the intestinal lining and utilized by the body for energy, growth, and repair. Efficient digestion is crucial for maintaining overall health and supporting bodily functions.