Assertion: viagra's effect | /r/CapableOf | force blood
Facets:
value: into the central circulation system
type: TRANSITIVE-OBJECT
Source sentences:
text: These effects force blood from the peripheral circulation system (in the arms, legs and abdomen) into the central circulation system (the heart, lungs and large blood vessels in the chest), resulting in high pressures in the pulmonary arteries (pulmonary artery hypertension), and an increased pressure gradient across the capillaries.