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Question

The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in

A
bronchioles and fallopian tubes
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B
bile duct and bronchioles
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C
fallopian tubes and pancreatic duct
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D
eustachian tube and salivary duct
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Solution

The correct option is A bronchioles and fallopian tubes
Columnar or cuboidal epithelial cells with cilia on their free surface are called ciliated epithelial cells. The function of cilia is to move particles or mucus in a specific direction over the epithelium.

They are mainly present in the inner surface of hollow organs like bronchioles and fallopian tubes.

The cilia in the bronchioles helps in removing dust particles and foreign substances inhaled along with the atmospheric air.

The passage of ova/eggs in the fallopian tubes is facilitated by the movement of cilia.

Fig: Ciliated epithelium

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