Episode 137: The Digestive System
The Science of Everything Podcast
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The Different Components of the Digestive System
The gastrointestinal tract or GI tract is a passageway that runs from one end of the body right through to the other. The ultimate aim is to get food in a simple form, so breaking it up into its component molecules. Food doesn't actually truly enter the body until it's absorbed across the epithelial cells that line the gastrointestinal tract - but we'll talk about that later.
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