Assertion: giraffe | /r/CapableOf | raise its head
Facets:
Source sentences:
text: The giraffe has a large heart to allow it to raise and lower its head without fainting.
text: Its heart can be over two feet long and is engineered with a network of bypasses and anti-pooling valves that allow the giraffe to raise and lower its 500-pound (227 kg) neck and head without fainting.
text: The reverse of this intricate system happens when the giraffe raises its head so that the pressure is regained and the giraffe doesn’t pass out.
text: When the giraffe raises its head, a series of check valves in the inch-wide jugular vein prevents a sudden back flow from the head, emptying the brain.