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प्रश्न
Give structure, types and functions in brief of the following:
Epithelial tissue
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उत्तर
Epithelial tissue:
Structure: The cells of epithelium are compactly placed, tightly held together and form a continuous sheet. Epithelial cells are supported below on a basement membrane. These cells may be of different shapes and sizes.
Types:
There are two main types of epithelial tissues which are:
(a) Simple and
(b) Compound
Functions:
(i) It forms a protective layer over the body and protects the underlying cells from drying up, injury, germs and harmful chemicals.
(ii) It absorbs water and other nutrients inside the body.
(iii) Some of these cells secrete ear wax, mucus, milk and digestive juices.
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संबंधित प्रश्न
Name one place in living organisms where the following tissues is located:
Squamous epithelium
Name the kind of cells found in the following place:
Inner lining of the wind pipe
Name the tissues found
at the outer layer of skin.
State whether true or false. If false, correct the statement.
Epithelial tissue is protective tissue in animal body.
What is an epithelium? Enumerate the characteristic features of different epithelia.
Fats are stored in human body as
Write true (T) or false (F)
The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue.
Describe the structure and function of different types of epithelial tissues. Draw diagram of each type of epithelial tissue.
Give reasons for
Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuole.
Epithelium founds in the lining of stomach and intestine is
