how efficient is the human digestive system?
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b:I assume we have an idea of this; I'm just not aware of it. If I consume about 2000 calories a day, about how much of this is my body actually able to absorb? I'm sure there's huge variation by person...efficiency also depend person to person
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Gastrointestinal Digestion and Absorption. The gastrointestinal (oralimentary) system(or tract) is responsible for digestion and absorption of nutrients and fluids. The tractextends from the mouth to the anus and in an adult human is about 10m long.
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