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The small intestines are important in the digestive system. There are small finger like structures in the Small intestines called villi, these villi extract the nutrients and take it into the blood stream. Without the small intestines you would not be able to extract nutrients from the food.

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11y ago
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15y ago

The small intestine is the largest portion of the digestive tract because this is the area in which most digestion takes place. Nutrients and moisture from food is abosrbed into the bloodstream in the small intestine.

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8y ago

Digestion and absorption. Yummy! The length of the the small intestine allows for more absorption time and its epithelium has specialized villi and on the villi has microvilli adding to its absorption ability. Although digestion does begin in the oral cavity turning the food we eat into a bolus, and the stomach does it's job by turning the bolus into chyme, most of the digestion and absorption takes place in the small intestine. The stomach will squeeze out chyme, in small quantities at a time, into the first part of the small intestine: the duodenum, which is where most of the digestion will take place thanks to more secretions by the gallbladder and pancreas. Then it gets moved along into the jejunum of the small intestine; more absorption along the way, and finally the to the last part of the small intestine, the ileum. At this point everything will have been digested and most of the nutrients will have been absorbed, and now off to the large intestine for its next journey out into the world...life is good!

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11y ago

absorbs nutrients from the food after being broken down in the stomach, takes waste to the anus to be released

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11y ago

ville are present in small intestine..............there helpfull to increase area of absorbtion............and aslo helps to absorb nutrients

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6y ago

The small intestine is the primary location of chemical digestion and absorption of nutrients.

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14y ago

to absorb all the nutrients from the food

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14y ago

yes, it does a specific function.

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Q: Why is the small intestines the main part of the digestive system?
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