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What is the finger like projects called that line the inside the small intestine wall called?
The finger-like projections that line the inside of the small intestine wall are called villi. They increase the surface area of the intestine, allowing for better absorption of nutrients into the bloodstream.
Why are the walls of the small intestine lined with small projections?
The small projections lining the walls of the small intestine are called villi. They increase the surface area of the intestine, which allows for more efficient absorption of nutrients from food into the bloodstream. This helps improve the nutrient absorption process in the digestive system.
Is the small interstine larger than the large interstine?
It is refered to as the small intestine only because its diametre is small - about 1inch, but it is about 15 feet in length. It has a huge surface area on the inside, about the same as a tennis court, because its inner wall is corrogated and covered in fine, finger- like projections called villi, which in turn are covered in tiny hair-like projections called the microvilli.
What is the difference between a villi and microvilli?
Both are found inside the small intestine, are microscopic, and are used to increase the surface area of the small intestine. Villi are tiny microscopic folds in the small intestine lining. Microvilli are little hairlike projections from individual epithelial cells of the small intestine. They have capillaries and a lacteal that lead to the circulatory and lymph systems to transport nutrients that are absorbed.
Why is it important to increase surface area in the small intestine?
Increasing the surface area in the small intestine allows for more efficient absorption of nutrients from digested food. This is because the nutrients have a larger surface area to come into contact with the absorptive cells lining the intestine, leading to greater uptake of essential nutrients into the bloodstream for use by the body.
