What is the process of ingestion?

Ingestion is the process by which organisms take in food or nutrients through their mouths. This process involves several steps: first, food is physically broken down by chewing and mixed with saliva; then, it is swallowed and moves down the esophagus to the stomach. In the stomach and intestines, the food is further digested and absorbed into the bloodstream. Overall, ingestion is a crucial part of digestion, allowing organisms to obtain energy and essential nutrients.