Assertion: pericardium | /r/LocatedNear | some blood vessels
Facets:
Source sentences:
text: There is a number of serous membranes present in the body; the pericardium surrounds the heart and some blood vessels, the pleural membrane covers the lungs, the peritoneal membrane surrounds the abdominal cavity and its related organs.
text: There are a number of serous membranes in the body: the pericardium surrounds the heart and some of the blood vessels; the pleural membranes surround the lungs, and the peritoneal membrane surrounds the abdominal cavity and related organs.