Assertion: blood vessel | /r/HasProperty | any of the tubular channels
Facets:
Source sentences:
text: A blood vessel is any of the tubular channels that convey blood throughout the body, whether arteries (including threadlike arterioles) that convey blood away from the heart, veins (including threadlike venules) that convey blood toward the heart, or the tiny capillaries that connect arterioles and venules.