Assertion: vein's blood vessel | /r/HasProperty | vein
Facets:
Source sentences:
text: When a blood vessel (a vein or an artery) is injured, the body uses platelets (thrombocytes) and fibrin to form a blood clot to prevent blood loss.
text: The retinal blood vessels are the central retinal artery and vein, and their branches.
text: The major (or great) blood vessels of the heart are the larger arteres and veins that attach to the atria and ventricles and transport blood to and from the systemic circulatory system and the pulmonary circulatory system.
text: Blood vessels that take blood back to the heart are veins.