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How do circular folds increase the surface area for digestion and absorption in the intestine?
Folds increase the surface area to volume ratio.Imagine a circle with folds all around the edge and another circle the same size with a flat edge. Both circles have the same volume, but the one with the folds has a much larger surface area.
How would the absorption of food in the cells of small intestine be affected by a lack of folds?
There would be much less surface area for the digestion and absorption, so digestion and absorption would be slowed by a lot.
When you die does the small intestine shrink?
No, the length increases. When you are alive, the muscles are contracted in folds, and when you die, these folds relax, expanding the small intestine.
What are Folds in the small intestine called?
permanent folds are called plicae circulares temporary folds are called rugae.
Deep folds of the mucosa and submucosa that extend completely around the circumference of the small intestine?
circular folds
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 TINY FINGERLIKE PROJECTIONS THAT COVER THE FOLDS OF UR SMALL INTESTINE?
The villi are the tiny finger-like projections that cover the folds of the small intestine. The singular of villi is villus.
What are the deep ridges in the small intestine mucosa?
The circular folds or plicae circularis are the permanent folds or ridges of the mucosa.
What are the inner folds of the small intestine called?
They are called "plicae circulares"
Which of these forms large surface area of the small intestine?
folds and villi
Why does the large intestine have many folds and bumps?
The large intestine has folds and bumps, such as haustra and taeniae coli, to increase its surface area for better absorption of water and nutrients. These structures also help in the movement of feces through the intestine by promoting segmentation and peristalsis. Additionally, the folds and bumps enable the large intestine to expand and contract as needed to accommodate varying amounts of waste material.
What are the deep folds of the mucosa and submucosa that extend completely around the circumference of the small intestine?
Circular fold (plicae circulares)
