Answer:
The digestive system (gastrointestinal tract) starts in the mouth and ends at the anal opening. Food travels from the mouth, where we chew it via the esophagus into the stomach.
Slowing digestion: Fast foods slow down the digestion process. Digestion of any food requires various enzymes which these fast foods lack. Also when the food is absorbed by the intestines, it requires fiber and water to excrete.
Explanation:
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