| Amazing Facts about the |
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| Digestive System |
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| We
eat about 500kg of food per year. |
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| 1.7
liters of saliva is produced each day. |
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| The
esophagus is approximately 25cm long. |
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| Muscles contract in waves to move the food down the esophagus.
This means that food would get to a person's stomach, even if they were
standing on their head. |
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adult's stomach can hold approximately 1.5 liters of material. |
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| Every
day 11.5 liters of digested food, liquids and digestive juices flow through
the |
| digestive
system, but only 100 mls is lost in feces. |
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| In
the mouth, food is either cooled or warmed to a more suitable temperature. |
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