Assertion: epithelium's function | /r/HasProperty | main
Facets:
Source sentences:
text: Composed of simple columnar epithelial cells, it serves two main functions: absorbing useful substances into the body and restricting the entry of harmful substances.
text: Their main function is to move particles or mucus in a specific direction.
text: Their main function is to move particles or mucus in a specific direction.
text: Epithelial tissue serves two main functions in the body.