( ( The ( endocrine system ) ) ( ( is ( ( a system ) ( of ( hormones ( responsible ( for ( regulating ( ( ( ( an ( organism 's ) ) development ) , ) ( growth ( , ( reproduction ( , ( and behavior ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ endocrine) (NN system)) (VP (VBZ is) (NP (NP (DT a) (NN system)) (PP (IN of) (NP (NP (NNS hormones)) (ADJP (JJ responsible) (PP (IN for) (S (VP (VBG regulating) (NP (NP (NP (DT an) (NN organism) (POS 's)) (NN development)) (, ,) (NP (NN growth) (, ,) (NN reproduction) (, ,) (CC and) (NN behavior))))))))))) (. .)))
The endocrine system is a system of hormones responsible for regulating an organism's development, growth, reproduction, and behavior.
(ROOT (S (NP (DT The) (JJ endocrine) (NN system)) (VP (VBZ produces) (S (NP (NNS hormones)) (VP (TO to) (VP (VB regulate) (NP (NN growth) (, ,) (NN development) (, ,) (CC and) (NN reproduction)))))) (. .)))
The endocrine system produces hormones to regulate growth, development, and reproduction.