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Question

I am present in the respiratory tract and I have cilia. I am _________.


A

columnar epithelium

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B
squamous epithelium
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C
nerve cell
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D
muscle cell
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Solution

The correct option is A

columnar epithelium


Columnar epithelial cells are present in the inner lining of intestine and respiratory tract. These cells are tall and arranged like pillars. In intestine their surface has microvilli or brush border that helps in abosrption. In the respiratory tract they have cilia on their lumen side surface. Here they help in clearing mucus or trapped material from the respiratory passage.


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