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Because they're flat.
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∙ 10y ago
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How are some cells modified to increase their ability to absorb materials?
The surface area can be increased so that it can absorb more materials. The microvilli protrude from the epithelial cells lining.
Which has the greater surface area one large cell or 27 smaller cells?
If the smaller cells' total volume is at least that of the larger cell then the smaller cells have the greater surface area.
What kind of a cell lines the small intestine and assembles fat?
The small intestine is lined with epithelial cells. These specialized cells have microvilli on their surface, which increase their surface area for absorption. These cells play a key role in the absorption of nutrients and fats from the digestive tract into the bloodstream.
Why are micro-villi an important modification?
Microvillus are tiny cellular membranes that through microscopic protrusions increase the surface area of cells and are involved in many cellular processes, such as absorption, secretion, and adhesion.
Explain why most cells are small?
It has to do with the surface area to volume ratio. The cell interacts with its environment at the cell surface. If a cells volume is too large the surface area isn't sufficient to exchange the necessary oxygen/nutrients/wastes to maintain the functions of a cell.
What is microvilli'?
Tiny projections on the free surface of some epithelial cells; increase surface area for absorption
What increases the surface area of certain epithelial tissues?
microvilli, tremendously increase exposed surface area in epithelial tissue.
What is microvillus?
it is a thin protuberance present in great abundance at the surface of some epithelial cells, notably in the gut, thus increasing the surface area available for absorption
Where are microvilli found?
Tiny "fingerlike" projections with actin filaents at the core of each to stiffen it and are not motile. Numerous microvilli form a brush border on cells of the small intestine/kidneys to allow absorption and secretion of large numbers of molecules.
Why do cells need a large surface area?
pendu vhale
what is the advantage of having many small cells instead of one large cell?
With smaller cells, there is a greater surface area.
How are some cells modified to increase their ability to absorb materials?
The surface area can be increased so that it can absorb more materials. The microvilli protrude from the epithelial cells lining.
Which has the greater surface area one large cell or 27 smaller cells?
If the smaller cells' total volume is at least that of the larger cell then the smaller cells have the greater surface area.
What does cheek cells being folded or wrinkled tell you about the thickness of the cell?
Epithelial cells rely on total surface area to maximize absorption or nutrient transfer. By being folded and wrinkled, they are able to increase the total surface area available for transfer in a small amount of space.
Why are root hair cells of a plant long and thin?
Large surface area.
What kind of a cell lines the small intestine and assembles fat?
The small intestine is lined with epithelial cells. These specialized cells have microvilli on their surface, which increase their surface area for absorption. These cells play a key role in the absorption of nutrients and fats from the digestive tract into the bloodstream.
What does vill mean biologically?
Villi are tine hair like projections on the surface of intestinal epithelial cells. They increase the surface area of the cells and help in the process of absorption during digestion. Villi are not restricted to humans. They are found in a variety of mammalian organisms and their primary function is to increase the surface ares for absorption
