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Villi Adaptations for Food Absorption by leonor.chaves is a document available to read on EtoBox.
What is Villi Adaptations for Food Absorption about?
The document discusses digestion and absorption in the small intestine, noting that villi in the intestinal wall increase surface area for absorption of digested nutrients into the bloodstream, and that diffusion allows soluble molecules to move from the intestine into capillaries and veins, while insoluble molecules cannot be absorbed. Villi contain blood capillaries, and the finger-like structures enhance absorption of small, soluble food molecules from the intestine into circulation.
- Author
- leonor.chaves
- Language
- EN