Assertion: uterus's wall | /r/MadeOf | muscular
Facets:
value: some
type: DEGREE
value: of stretchy tissues
type: OTHER
Source sentences:
text: During childbirth, the vagina must accommodate the passage of a fetus weighing on average about 7 pounds (3 kilograms), so the vagina’s walls are made of stretchy tissues — some fibrous, some muscular, and some erectile.