In Fish the telencephalon is anxious largely with olfaction. Jaws permit fish to eat a extensive variety of food, together with crops and other organisms. Fish ingest meals via the mouth and break it down within the esophagus. In the stomach, food is further digested and, in plenty of fish, processed in finger-shaped pouches called pyloric caeca, which secrete digestive enzymes and take in nutrients. Organs such because the liver and pancreas add enzymes and numerous chemicals because the food strikes by way of the digestive tract. The intestine completes the process of digestion and nutrient absorption.