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The internal walls of the small intestine are lined with villi, which absorb nutrients from the intestine, into the bloodstream. Villi are hair-like protrusions, and because there are millions of them, it means that enough molecules are absorbed to ensure our survival, as there is a huge surface area.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoSI: Duodenum, jejenum, ileum
Duodenum: Submucosal Brunner's glands: Secrete alkaline and mucus, also receives stuff from main pancreatic duct (e.g. pancreatic enzymes) and bile duct via duodenal papilla
Jeunum: Plicae circulares
Ileum: Peyer's patch and many goblet cells.
Jejunum and ileum comparison:
Jejunum: Thicker wall, less mesentery fat, simple arcade
Ileum: Thin wall, more mesetery fat, multiple arcades
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What are 4 ways the small intestine is well adapted to its function?
The walls of the small intestine are covered in millions of tiny finger-like ... (it's a type of tissue), this tissue is adapted to help the small intestine carry out it's function...In what ways are the small intestine adapted for their roles
Where is villi made?
In the walls of the small intestine
What are the small tubes sticking out of the walls of the small intestine?
ivile
Why the walls of small intestine is not digested?
There is a coating that protects the small intestine from the acid used for digesting food.
What lymphoid organs on the walls of the small intestine?
Peyer's patches
What are the walls of the small intestine covered with?
The lining is plicae circulares, and the raised finger-like parts of the lining are called villi. Villi's adsorb carbohydrates through their membranes and capillaries within carry the nutrients off to the rest of your body.
What is the function of the small intestien?
It is to clear the unwanted substances to the large intestine and the wanted substances will be absorbed by the walls of the small intestine by the blood.
Amazingly long winding organ where food is in a form that passes throgh blood walls?
That is the small intestine. (The small intestine is actually longer than the large intestine.)
How did the large intestine get its name?
The diamerter of the large intestine is larger, and the diameter of the small intestines is smaller The diamerter of the large intestine is larger, and the diameter of the small intestines is smaller It has a significantly larger circumference. Diameter, the large intestine is far thicker then the small intestine. It's smaller in diameter. It is larger in diameter, not length.
Which layer of small intestine are covered with villi?
Sub mucosa
What lymphoid organs on the walls of small intestine are called?
Peyer's patches
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
