( ( The ( parasympathetic system ) ) ( ( ( returns ( the body ) ) ( to homeostasis ) ) . ) )
(ROOT (S (NP (DT The) (JJ parasympathetic) (NN system)) (VP (VBZ returns) (NP (DT the) (NN body)) (PP (TO to) (NP (NNS homeostasis)))) (. .)))
The parasympathetic system returns the body to homeostasis.
(ROOT (S (NP (DT The) (JJ parasympathetic) (NN system)) (VP (MD can) (ADVP (RB also)) (VP (VB be) (VP (VBN referred) (S (VP (TO to))) (PP (IN as) (NP (DT the) (JJ craniosacral) (NN system)))))) (. .)))