sentence: Food stays in the stomach for about three hours.
sentences_before: There, it is mashed into a mixture like soup. The mixture passes into the small intestine, where tiny bits of food pass into the bloodstream. The food that is still left goes into the large intestine. Finally, waste products leave the body. Digestion usually takes about 18 hours.
sentences_after: Most digestive tracts are about as long as a bus.
concept_name: food
headings: Digestion
categories: Digestive system Basic English 850 words