Assertion: major vein | /r/HasProperty | inferior vena cava
Facets:
Source sentences:
text: Then veins from the various systemic tissues and organs (minus the gas exchange portion of the lungs) unite to produce two major veins - the inferior vena cava (lower body) and superior vena cava (above the heart).
text: The venous system feeds into the two major veins: the superior vena cava – which mainly drains tissues above the heart – and the inferior vena cava – which mainly drains tissues below the heart.