( MUSCULAR ( AND ( SKELETAL SYSTEMS ) ) )
(ROOT (NP (NNP MUSCULAR) (NNP AND) (NNP SKELETAL) (NNP SYSTEMS)))
MUSCULAR AND SKELETAL 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.