explain briefly : the small intestine and it's three sub regions. also describe villi (singular villus) .
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1)The small intestine consists of three parts. The first part, called the duodenum, connects to the stomach. The middle part is the jejunum. The third part, called the ileum, attaches to the colon.
2)Intestinal villi (singular: villus) are small, finger-like projections that extend into the lumen of the small intestine. ... Villi increase the internal surface area of the intestinal walls making available a greater surface area for absorption.
Part of: Wall of small intestine
Latin: small intestinales
Explanation:
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