Here is the answer to your Question Brother

1)So, epithelium is a type of tissue that lines our body from outside as well as from inside i.e. act as a protective lining for the body. So ciliated epithelium are modified columnar epithelium or cuboidal epithelium which bears cilia at their free surface

2)Living elements of phloem are sieve tubes, companion cells and phloem parenchyma.

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