Ask Dr. Universe: Our two intestines divide up parts of digestion process
It can take six hours for the small intestine to do its job. The nutrients are sucked from the inner surface of the small ...
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5 Facts About Your Intestines
Did you know if you unfolded your intestines, they'd be taller than a giraffe? Yep, they form a digestive tube so lengthy it's got two sections. The so-called small intestine is about 22 feet long ...