Assertion: sympathetic nervous system | /r/CapableOf | constrict blood flow
Facets:
value: through vasoconstriction
type: MANNER
Source sentences:
text: The sympathetic nervous system acts to prepare the body for stressful states by increasing heart rate and contractility of the heart, constricting blood flow through vasoconstriction, dilating the pupils, and dilating the bronchioles of the lungs.