Transcription: The digestive system stretches from the mouth to the anus. The chemical breakdown of foodstuffs begins straight away, still in the mouth cavity, where saliva enzymes such as amylase begin to break down any carbohydrates. The swallowing reflex transports the food through the esophagus into the stomach, from where it enters the small intestine and ultimately the large intestine. Along the way, numerous additional chemical reactions Carbohydrates are transformed into glucose, for example, which is then stored in the liver as glycogen. Proteins become amino acids, which are then stored in the conn ...
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