Depending on the quantity and contents of the meal, the stomach will digest the food into chyme in anywhere between 40 minutes to a few hours.

Our stomachs digested substances which would kill a comfortable bourgeois citizen in a few weeks.

Cattle are ruminants; their stomachs are better at digesting grass, not grain.

A crocodile's stomach can digest concrete.

A student's stomach can digest that of a crocodile.

The first stomach partially digests the twigs, leaves, and whatever else the giraffe has ingested whole.

Parenteral feeding does not use the stomach or intestines to digest food.

In many species, the large cardiac stomach can be everted and digest food outside the body.

Q. Why doesn't the stomach digest itself?

Solid food is often restricted, because the stomach digests food more slowly during labor.