( ( The ( endocrine system ) ) ( ( consists ( of ( ( ( ( ( a set ) ( of ( ( glands and ) ( the hormones ) ) ) ) ( they produce ) ) , ) ( which ( help ( guide ( ( the ( development ( , ( growth ( , ( ( reproduction and ) behaviour ) ) ) ) ) ) ( of ( ( animals and ) ( human beings ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ endocrine) (NN system)) (VP (VBZ consists) (PP (IN of) (NP (NP (DT a) (NN set)) (PP (IN of) (NP (NP (NNS glands)) (CC and) (NP (DT the) (NNS hormones)))) (SBAR (S (NP (PRP they)) (VP (VBP produce)))) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBP help) (VP (VB guide) (NP (NP (DT the) (NN development) (, ,) (NN growth) (, ,) (NN reproduction) (CC and) (NN behaviour)) (PP (IN of) (NP (NP (NNS animals)) (CC and) (NP (JJ human) (NNS beings)))))))))))) (. .)))
The endocrine system consists of a set of glands and the hormones they produce, which help guide the development, growth, reproduction and behaviour of animals and human beings.
(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.