( ( ( ( ( ( ( These travel ) ( to ( ( the parts ) ( of ( ( the brain ) ( which ( ( are directly ) ( connected ( to ( your ( limbic system ) ) ) ) ) ) ) ) ) ) ) ( , ( then ( it ( 's ( ( passed on ) ( to ( ( the part ) ( of ( ( the brain ) ( that ( controls ( the ( pituitary gland ) ) ) ) ) ) ) ) ) ) ) ) ) ) , ) and ) ( hormones ( are ( released ( that ( are ( essential ( for ( most ( of ( the ( body functions ) ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (DT These) (NN travel)) (PP (TO to) (NP (NP (DT the) (NNS parts)) (PP (IN of) (NP (NP (DT the) (NN brain)) (SBAR (WHNP (WDT which)) (S (VP (VBP are) (ADVP (RB directly)) (VP (VBN connected) (PP (TO to) (NP (PRP$ your) (JJ limbic) (NN system)))))))))))) (, ,) (ADVP (RB then)) (NP (PRP it)) (VP (VBZ 's) (VP (VBN passed) (PRT (RP on)) (PP (TO to) (NP (NP (DT the) (NN part)) (PP (IN of) (NP (NP (DT the) (NN brain)) (SBAR (WHNP (WDT that)) (S (VP (VBZ controls) (NP (DT the) (JJ pituitary) (NN gland)))))))))))) (, ,) (CC and) (S (NP (NNS hormones)) (VP (VBP are) (VP (VBN released) (SBAR (IN that) (S (VP (VBP are) (ADJP (JJ essential) (PP (IN for) (NP (NP (JJS most)) (PP (IN of) (NP (DT the) (NN body) (NNS functions)))))))))))) (. .)))
These travel to the parts of the brain which are directly connected to your limbic system, then it's passed on to the part of the brain that controls the pituitary gland, and hormones are released that are essential for most of the body functions.
(ROOT (S (ADVP (RB Not) (RB surprisingly)) (, ,) (NP (JJ controlling) (NN flight)) (VP (VBZ is) (NP (NP (DT the) (NN function)) (PP (IN of) (NP (NP (DT the) (ADJP (RBS most) (JJ developed)) (NN part)) (PP (IN of) (NP (NP (DT a) (NN bird) (POS 's)) (NN brain))))))) (. .)))