Assertion: circulatory system's vein | /r/CapableOf | push blood
Facets:
value: back to the heart
type: TRANSITIVE-OBJECT
Source sentences:
text: Veins rely on gravity, inertia, and the force of skeletal muscle contractions to help push blood back to the heart.
text: Veins rely on gravity, inertia, and the force of skeletal muscle contractions to help push blood back to the heart.
text: Veins rely on gravity, inertia, and the force of skeletal muscle contractions to help push blood back to the heart.