( ( The ( endocrine system ) ) ( ( is ( ( the set ) ( of ( organs ( responsible ( for ( ( ( producing and ) secreting ) ( hormones ( that ( ( travel ( through ( the bloodstream ) ) ) ( to ( targeted ( ( tissues and ) organs ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ endocrine) (NN system)) (VP (VBZ is) (NP (NP (DT the) (NN set)) (PP (IN of) (NP (NP (NNS organs)) (ADJP (JJ responsible) (PP (IN for) (S (VP (VBG producing) (CC and) (VBG secreting) (NP (NP (NNS hormones)) (SBAR (WHNP (WDT that)) (S (VP (VBP travel) (PP (IN through) (NP (DT the) (NN bloodstream))) (PP (TO to) (NP (JJ targeted) (NNS tissues) (CC and) (NNS organs))))))))))))))) (. .)))
The endocrine system is the set of organs responsible for producing and secreting hormones that travel through the bloodstream to targeted tissues and organs.
(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.