Assertion: kidney | /r/HasProperty | over one million nephrons
Facets:
value: internally
type: LOCATION
value: mainly
type: DEGREE
Source sentences:
text: Internally, kidneys are mainly composed of over one million nephrons and an extensive network of blood vessels and capillaries.
text: Each kidney is composed of over one million nephrons that dot the renal cortex, giving it a granular appearance when sectioned sagittally (from front to rear).