Assertion: autonomic nervous system | /r/HasProperty | dilation of arterioles
Facets:
Source sentences:
text: The autonomic nervous system (ANS) is a system of nerves and ganglia concerned with the distribution and reception of predominantly involuntary impulses to the heart (changing its rate and force of beating), smooth muscle (vasoconstriction or dilation of arterioles) and glands (increasing or decreasing their secretion).