Food Moves Through You by Muscle Waves Called Peristalsis
Rhythmic contractions push food through the esophagus and intestines, which is why swallowing works even upside down.
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Food Takes About 24 to 72 Hours to Pass Through the Body
Transit time varies from person to person and depends on diet and health.
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Saliva Starts Digesting Starch in Your Mouth
An enzyme called amylase begins turning starch into sugars before food is even swallowed.
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Tens of Trillions of Bacteria Live in Your Gut
These microbes help break down food, make some vitamins and interact with the immune system.
Sistema Digestivo54 vistas
The Digestive Tract Is Roughly Nine Meters Long
From mouth to anus, the tube that processes food is several times longer than the person it belongs to.