( ( Local control ) ( ( Just ( before ( ( an arteriole ) ( splits ( into ( ( ( many capillaries ) , ) ( one ( last ( smooth ( muscle cell ) ) ) ) ) ) ) ) ) ) ( ( surrounds it ) . ) ) )
(ROOT (S (NP (JJ Local) (NN control)) (SBAR (RB Just) (IN before) (S (NP (DT an) (NN arteriole)) (VP (VBZ splits) (PP (IN into) (NP (NP (JJ many) (NNS capillaries)) (, ,) (NP (CD one) (JJ last) (JJ smooth) (NN muscle) (NN cell))))))) (VP (VBZ surrounds) (NP (PRP it))) (. .)))
Local control Just before an arteriole splits into many capillaries, one last smooth muscle cell surrounds it.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (DT the) (JJ smooth) (NN muscle)) (VP (VBZ relaxes)))) (, ,) (NP (DT the) (NNS arterioles)) (VP (VBD dilate) (, ,) (S (VP (VBG allowing) (NP (NN blood)) (S (VP (TO to) (VP (VB enter) (NP (DT the) (NNS capillaries)))))))) (. .)))