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How does the structure of the small intestine improve its nutrient absorption?
Wiki User
∙ 13y ago
1. The small intestine is LONG- this ensures food remains in the small intestine long enough for the products of digestion to be fully absorbed into the bloodstrem.
2. The Small intestine is HIGHLY FOLDED into villi (s. villus)- This gives a greater surface area for more efficient diffusion of products into the bloodstream.
3. The small intestine has a RICH BLOOD SUPPLY - Each villus has a network of capillaries so that the products of digestion are carried away from the small intestine efficiently.
4. The epithelium of the small intestine in the villi is only ONE CELL THICK - for easier diffusion of the products of digestion into the bloodstream. The walls of the capillaries are only one cell thick as well!!
Wiki User
∙ 12y ago
Wiki User
∙ 11y agoThe small intestine, unlike its name suggests, is a very long tube between the stomach and large intestine. The 'small' label actually refers to the diameter of the intestine, which is considerably less than the large intestine.
The length of the small intestine is necessary to absorb as many nutrients as possible. Along with that, the small intestine is lined with villi. These villi are little fold in the intestine to increase surface area of the interior. A large amount of area increases the amount of nutrients that are absorbed.
Wiki User
∙ 13y agoi have no fricken idea that is why i am saking the stupid internet but it wont fricken anser stupid idiot!Type your answer here...
Wiki User
∙ 12y agoThere are little things called villi and microvilli that absorb nutrients
The large surface area helps to this much faster and efficiently
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