A specialized structure in intestine that helps in absorption is

Alveoli

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Villi

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Bowman's capsule

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Salivary glands

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Pyloric sphincter

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Solution

The correct option is B Villi
The innermost layer lining the lumen of the alimentary canal is the mucosa.
This layer forms irregular folds (rugae) in the stomach and small finger-like foldings called villi in the small intestine.
The cells lining the villi produce numerous microscopic projections called microvilli giving a brush border appearance found on the apical surface of some epithelial cells.
These modifications increase the surface area enormously and help in secretion and absorptionHence, the specialized structure in the intestine that helps in absorption is villi.
So, the correct answer is 'villi'.

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