( ( ( The ( Endocrine System ) ) ( -LRB- ( glands -RRB- ) ) ) ( also ( ( ( plays ( a role ) ) ( by ( ( ( producing and ) secreting ) hormones ) ) ) . ) ) )
(ROOT (S (NP (NP (DT The) (NNP Endocrine) (NNP System)) (PRN (-LRB- -LRB-) (NP (NNS glands)) (-RRB- -RRB-))) (ADVP (RB also)) (VP (VBZ plays) (NP (DT a) (NN role)) (PP (IN by) (S (VP (VBG producing) (CC and) (VBG secreting) (NP (NNS hormones)))))) (. .)))
The Endocrine System (glands) also plays a role by producing and secreting hormones.
(ROOT (S (NP (JJS Most) (NNS hormones)) (VP (VBP are) (VP (VBN produced) (PP (IN by) (NP (DT the) (JJ endocrine) (NN system))))) (. .)))
Most hormones are produced by the endocrine system.