Assertion: pulmonary circulation's vein | /r/HasProperty | unique
Facets:
value: in the type of blood
type: OTHER
Source sentences:
text: The pulmonary veins and arteries are unique in the type of blood they transport.
text: The pulmonary veins and arteries are unique in the type of blood they transport.
text: The pulmonary vein is unique in that it is the only vein that carries oxygenated blood.﻿﻿