Question
How many types of epithelial tissues have you studied? Write their functions.
✓
Answer
There are two main types of epithelial tissues. These are:
(a) Simple and
(b) Compound
(a) Simple and
(b) Compound
Simple epithelial tissue is further divided into six sub-groups which are:
(i) Columnar epithelium
(ii) Ciliated epithelium
(iii) Cuboidal epithelium
(iv) Squamous epithelium
(v) Glandular epithelium
(vi) Sensory epithelium
Compound epithelial tissue is of two types:
(i) Stratified epithelium
(ii) Transitional epithelium
Functions of epithelial tissue are:
(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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