3 interesting facts about the Digestive system?

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1.7 liters of saliva is produce each day.
the esophagus is approximatly 25 cm.
and over 90% of the digestion and absorbing takes place in the small intestine.
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You can live without your appendix food stays in your colon for 10 hours or for several days Digestive System Function FactsWe eat about 500kg of food per year. 1.7 liters of saliva is produced each day.The esophagus is approximately 25cm long. Muscles contract in waves to move the food down the es (MORE)

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