Assertion: dermis's blood vessel | /r/CapableOf | constrict to prevent heat
Facets:
value: from leaving the body
type: TRANSITIVE-OBJECT
Source sentences:
text: When the body has become too cold, blood vessels near the surface of the skin constrict to prevent heat from leaving the body.
text: When the body has become too cold, blood vessels near the surface of the skin constrict to prevent heat from leaving the body.