Assertion: circulatory system's vessel | /r/Synonym | venule
Facets:
Source sentences:
text: The capillaries connect to a series of vessels called venules, which increase in size to form the veins.
text: Once the capillaries deliver oxygen and nutrients and pick up carbon dioxide and other waste, they move the blood back through wider vessels called venules.
text: Then the oxygen-poor blood makes the journey back: from capillaries, to vessels called venules, to veins, and finally back to the heart.