Assertion: pericardium's function | /r/CapableOf | cover organ
Facets:
Source sentences:
text: The overall functions of membranes are to line body cavities, cover organs, and line the heart, blood vessels, and lymph vessels.
text: The major functions of the skeletal system are to provide a framework, protect organs, provide attachments for muscles, to produce blood cells, and store inorganic salts.