Assertion: epithelium | /r/HasProperty | a type of tissue
Facets:
Source sentences:
text: Epithelium is a type of tissue whose main function is to cover and protect body surfaces but can also form ducts and glands or be specialized for secretion, excretion, absorption and lubrication.
text: Nerve tissue, muscular tissue, epithelial tissue, connective tissue, vascular tissue, and adipose tissue are the types of tissues.