( ( Organ ( systems ( to ( be studied ) ) ) ) ( ( include ( ( the skeletal ) ( , ( muscular ( , ( nervous ( , ( cardiovascular ( , ( endocrine ( , ( respiratory ( , ( digestive ( , ( excretory ( , ( and ( reproductive systems ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Organ) (NNS systems) (S (VP (TO to) (VP (VB be) (VP (VBN studied)))))) (VP (VBP include) (UCP (NP (DT the) (NN skeletal)) (, ,) (ADJP (JJ muscular)) (, ,) (ADJP (JJ nervous)) (, ,) (ADJP (JJ cardiovascular)) (, ,) (ADJP (JJ endocrine)) (, ,) (ADJP (JJ respiratory)) (, ,) (ADJP (JJ digestive)) (, ,) (ADJP (JJ excretory)) (, ,) (CC and) (NP (JJ reproductive) (NNS systems)))) (. .)))
Organ systems to be studied include the skeletal, muscular, nervous, cardiovascular, endocrine, respiratory, digestive, excretory, and reproductive systems.
(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.