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vova2212 [387]
3 years ago
5

The most protective epithelium is a [?][?] epithelium which is found in the outer layer of the[?] as a barrier to the external e

nvironment as well as lining the upper GI tract such as in the[?]
Biology
1 answer:
OLga [1]3 years ago
4 0
Keratinized, <span>stratified columnar, </span>
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