( ( Following ( ( an ( extended introduction ) ) ( to ( ( ( general ( anatomical ( , ( physiological ( and ( chemical organization ) ) ) ) ) ) , ) ( the skin ) ) ) ) ) ( , ( ( ( skeletal ( , ( muscular ( , ( ( digestive and ) endocrine ) ) ) ) ) systems ) ( ( are studied ) . ) ) ) )
(ROOT (S (PP (VBG Following) (NP (NP (DT an) (JJ extended) (NN introduction)) (PP (TO to) (NP (NP (JJ general) (JJ anatomical) (, ,) (JJ physiological) (CC and) (JJ chemical) (NN organization)) (, ,) (NP (DT the) (NN skin)))))) (, ,) (NP (ADJP (JJ skeletal) (, ,) (JJ muscular) (, ,) (JJ digestive) (CC and) (JJ endocrine)) (NNS systems)) (VP (VBP are) (VP (VBN studied))) (. .)))
Following an extended introduction to general anatomical, physiological and chemical organization, the skin, skeletal, muscular, digestive and endocrine systems are studied.
(ROOT (S (ADVP (RB Together)) (, ,) (NP (DT the) (JJ muscular) (CC and) (JJ skeletal) (NNS organs)) (VP (VBP are) (VP (VBN known) (PP (IN as) (NP (DT the) (JJ musculoskeletal) (NN system))))) (. .)))
Together, the muscular and skeletal organs are known as the musculoskeletal system.