Assertion: basophil | /r/MadeOf | heparin
Facets:
value: to prevent the blood
type: PURPOSE
Source sentences:
text: They also contain heparin to prevent the blood from clotting too quickly, and histamine which dilates blood vessels.
text: The Basophil is the leukocyte that releases histamine and other mediators of inflammation; contain heparin, an anticoagulant.