Here we have compared difference between ingestion and egestion
| Ingestion | Egestion |
| Process. Ingestion is the process of taking in of food. | It is the throwing of faecal matter out of the body. |
| Steps. It involves catching, holding and putting the food into body through mouth. | It involves piling up of faecal matter and its elimination through anus, cloaca or other opening. |
| Components. Ingested food consists of both digestible and indigestible matter. | Faecal matter consists only of indigestible materials. |