The upper gastrointestinal tract

The upper gastrointestinal tract

During swallowing food travels from the mouth cavity into the stomach.

Biology

Keywords

upper digestive tract, digestion, digestive tract, feeding, food, mouth cavity, stomach, pharynx, esophagus, peristalsis, swallowing, decomposer, gastric acid, salivary glands, cardia, nyál, stomach acid, pepsin, tongue, mucous membrane, enzyme, human, organ system, biology

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Scenes

  • - They produce HCl, which becomes hydrochloric acid when solved in water. Hydrochloric acid serves to: - ensure an acidic environment for pepsin; - decomposecertain proteins in food; - destroy microorganisms and thus sterilize food.

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