Define the term ingestion and rumination
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Ingestion is the consumption of a substance by an organism. In animals, it normally is accomplished by taking in a substance through the mouth into the gastrointestinal tract, such as through eating or drinking. In single-celled organisms ingestion takes place by absorbing a substance through the cell membrane.
The regurgitation of food from the stomach after it has been swallowed, occasionally oberved as a morbid phenomenon in man.
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