Assertion: giraffe | /r/HasAspect | elastic blood vessels
Facets:
value: very
type: DEGREE
Source sentences:
text: To deal with this problem, giraffes have elastic blood vessels that relieve some of the excess pressure.
text: To compensate for the sudden increase in blood pressure when the head is lowered, the giraffe has very elastic blood vessels and valves in the venous system of the neck.