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प्रश्न
Write true (T) or false (F)
Epithelial layer does not allow regulation of materials between body and external environment.
विकल्प
True
False
उत्तर
False
Due to its permeability, epithelial layer plays an important role in regulating exchange of materials between body and external environment.
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संबंधित प्रश्न
Based on the following information, identify the three types of epithelial tissue in the figures given below :
| a |  |
b |  |
c |  |
(1) Cuboidal epithelium: It consists of a single layer of cuboidal cells.
(2) Columnar epithelium: It is composed of tall, cylindrical cells with oval nuclei usually placed at the base of the cells.
(3) Ciliated epithelium: It consists of cells being hair-like cilia on their free surface.
How many types of epithelial tissues have you studied? Write their functions.
The main function of the cuboidal epithelium is
Intestine absorb the digested food materials. What type of epithelial cells are responsible for that?
Write true (T) or false (F)
Epithelial cells have a lot of intercellular spaces.
______ epithelium is seen in sweat glands.
Write one point of difference between
Simple and compound epithelial tissue.
Epithelium founds in the lining of stomach and intestine is
The body of sponges does not possess tissue level of organisation though it is made of thousands of cells. Comment.
Stratified epithelial cells have limited role in secretion. Justify their role in our skin.
