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more the blood supply ,the more will be the absorption of digested food.
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∙ 11y ago
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What is a villi job?
Villi absorb food into the blood from inside the intestines
What drains cerebrospinal fluid in to venous blood in the dural sinus?
The Cerebrospinal Fluid is absorbed into the venous blood in the dural sinuses through the arachnoid villi. Arachnoid villi connect the subarachnoid space to the superior sagittal sinus.
What help nutrients into the blood?
villi in the esophagus help move nutrients into the blood
What are the three types of villi?
The three types of villi are: Intestinal villi-microscopic finger like projections on the inner surface of the ileum. Chorionic villi-villi on the outermost membrane of the foetus. Arachnoid villi-villi on the arachnoid membrane of the brain.
Are finger like projections of the mucosa?
Villi. Most absorbtion occurs in the ileum btw.
What are villi and what is their job?
Villi are tiny finger-like projections which line the small intestine. Villi are perfect for absorbing food into the blood because: 1) They have a very thin outer layer of cells 2) They have a good blood supply 3) They provide a large surface area for absorption
Passage of materials through villi into the blood?
passage of materials through villi intothe blood
What is a villi job?
Villi absorb food into the blood from inside the intestines
How does the composition of blood changes as it flows through the villi?
The blood flow in through the villi changes in an increase as the intestine near the villi is wide to go through.
How do you call the special structures for absorption in the small intestine?
thin lining good blood supply very large surface area
What drains cerebrospinal fluid in to venous blood in the dural sinus?
The Cerebrospinal Fluid is absorbed into the venous blood in the dural sinuses through the arachnoid villi. Arachnoid villi connect the subarachnoid space to the superior sagittal sinus.
How is the blood that leaves the villi different from the blood that enters them?
Villi in the intestinal tract absorb nutrients from food matter passing by them and "gives" those nutrients to the blood entering them. Therefore, blood exiting the villi have much more nutrients, vitamins, minerals, etc. than blood entering them.
What do the capillaries of the intestinal submucosa lead directly to?
Many arterioles that penetrate the Submucosa give rise to capillary networks that supply the Intestinal Glands and villi with blood.
Why are villi so important in the digestive process?
Villi are found in our small and large intestines, and are adapted to their function by having a very large Surface Area to volume ratio. They are vital as they extract the vital nutrients from the food we eat and are absorbed into the blood supply which runs just underneath the villi, and transport these nutrients to wherever they are needed.
What does villi do in the body?
In the intestinal wall, the villi (with micro-villi on them) are used to increase the surface area (just like the inside of your lungs do). This means that in the relatively small space, a lot of the nutrients in the food you eat can be absorbed by them and then diffused into the blood stream.
What are the function of villi?
the villi are tiny finger-like protrusions lining the small intestines. Digested food passes the villi and broken-down food molecules are absorbed through a wall of cells, and into tiny blood vessels inside the villi called capillaries. Nutrient filled blood from the capillaries joins the main bloodstream in veins around the intestines, ready to be used in other parts of the body. Having villi lining the intestines ensures maximum absorption of nutrients through a huge surface area.
Where does digested food move into the blood?
In villi
