The process of digestion that started in your mouth continues in your stomach. This expandable organ is lined with mighty muscles that pummel your food. A sea of gastric juices, meanwhile, dissolves your dinner into a thick paste called chyme (pronounced kyme), which dribbles slowly to its next port of call, the small intestine, where the bulk of digestion takes place. This 20-foot (6-m) tube coils through your abdomen and teams with other organs (along with colonies of bacteria) to absorb nutrients from everything you eat. It’s followed by the large intestine, which sops up chyme’s excess water and minerals.
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