Ingestion and egestion are two different processes in the digestive system of animals.
Ingestion is the process of taking in food into the body through the mouth. During ingestion, food is broken down into smaller pieces by the teeth, mixed with saliva, and then swallowed. The food then passes through the esophagus and enters the stomach, where it is further broken down by stomach acid and digestive enzymes.
Egestion, on the other hand, is the process of removing undigested food and other waste products from the body. Egestion occurs at the end of the digestive tract, in the large intestine and rectum. Undigested food and waste products are eliminated from the body as feces through the anus.
In summary, ingestion is the process of taking in food through the mouth and breaking it down in the digestive system, while egestion is the process of eliminating undigested food and waste products from the body as feces.
