( ( ( ( Hormonal ( Disorders ( Chapter ( 143 ( Endocrine System ) ) ) ) ) and ) ( Hormones ( The ( endocrine system ) ) ) ) ( ( consists ( of ( ( a group ) ( of ( ( organs ( -LRB- ( ( sometimes ( referred ( to ( ( as glands ) ( of ( internal secretion ) ) ) ) ) ) -RRB- ) ) ) ( ( ( whose main ) function ) ( is ( to ( ( ( ( produce and ) secrete ) hormones ) ( directly ( into ( the bloodstream ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Hormonal) (NNP Disorders) (NNP Chapter) (NNP 143) (NNP Endocrine) (NNP System)) (CC and) (NP (NP (NNP Hormones)) (NP (DT The) (JJ endocrine) (NN system)))) (VP (VBZ consists) (PP (IN of) (NP (NP (DT a) (NN group)) (PP (IN of) (NP (NP (NNS organs)) (PRN (-LRB- -LRB-) (VP (ADVP (RB sometimes)) (VBN referred) (PP (TO to) (NP (NP (RB as) (NNS glands)) (PP (IN of) (NP (JJ internal) (NN secretion)))))) (-RRB- -RRB-)) (SBAR (WHNP (WP$ whose) (JJ main) (NN function)) (S (VP (VBZ is) (S (VP (TO to) (VP (VB produce) (CC and) (VB secrete) (NP (NNS hormones)) (PP (ADVP (RB directly)) (IN into) (NP (DT the) (NN bloodstream)))))))))))))) (. .)))
Hormonal Disorders Chapter 143 Endocrine System and Hormones The endocrine system consists of a group of organs (sometimes referred to as glands of internal secretion) whose main function is to produce and secrete hormones directly into the bloodstream.
(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.