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The duodenum; it begins with the pylorus [pyloric sphincter valve] at the base of the stomach and ends at the jejunum - then:

The lower ten meters of the small intestine is called the ileum, and is 'terminated' at the ileocecal valve.

The large intestine also is composed from several parts.

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7y ago
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14y ago

I have never heard of 'sensitive upper area of small intestine', but here are the sections: Duodenum Jejunum Ileum

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Q: What is the upper area of the small intestine called?
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What is the sensitive area of the small intestine which exerts control over the entire digestive tract?

Duodenum: the upper chamber of the Small Intestine.


Why are the walls of the small intestine lined with small projections?

It increases the surface area of the inside of the intestine, this allows for more area where nutrients can be absorbed.


Finger-like extensions increasing surface area in small intestine?

Microvilli are finger-like projections that increase the surface area in the small intestine.


How is small intestine better adapted for absorption than thatof large intestine?

The small intestine has small tiny projections called "villi". These projections increase the surface area for absorption. The large intestine however lacks these structures.


What cell is cell lining the small intestine?

the cell lining of the small intestine is called villi and are small, finger-like projections that are used to increase surface area.


The blank is the sensitive upper area of the small intestine which exerts control over the entire digestive tract?

probably the duodenum


What is the area of the small intestine called where liquids from the liver and pancreas enter?

pancreatic duct


What is a lining if the small intestine?

the lining of the small intestine has folds, and are covered with finger-like projections called villi, which are covered with thousands of micro-villi


What are the finger like projections in the small intestine that act to increase the surface for absorption?

finger like projections in small intestine are called villi to increase surface area for absorption of food in small intestine.


What part is the digestive system villi found?

the villi are small finger-like creases on the small and large intestines. they are used to increase the area for absorption.


What increase the surface area of food small intestine esophagus gallbladder or teeth?

Small intestine


Villi are present in small intestine why?

Vili are present to increase the surface area of the small intestine. This allows more digestion to happen in the small intestine.