Q29 of 36 Page 186

Mention various functions of epithelial tissues.

Lining all the external surfaces such as skin and internal cavities of an animal's body are covered with a continuous sheet called epithelium.


Following are the functions of epithelial tissues:


(a) It protects underlying tissues of the body.


(b) Columnar epithelial cells present in the intestine absorb the digested food.


(c) It secretes enzymes.


(d) It receives sensory stimuli.


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(a) Tissue that forms the inner lining of our mouth.


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(c) Tissue that transports food in plants.

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