( ( ( ( ( ( The ( Musculoskeletal System ) ) -LRB- ) or ) ( Locomotor System ) ) -RRB- ) ( ( is ( ( a system ) ( that ( allows ( animals ( to ( move ( using ( ( ( the ( Muscular System ) ) and ) ( the ( Skeletal System ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NNP Musculoskeletal) (NNP System)) (-LRB- -LRB-) (CC or) (NP (NNP Locomotor) (NNP System)) (-RRB- -RRB-)) (VP (VBZ is) (NP (NP (DT a) (NN system)) (SBAR (WHNP (WDT that)) (S (VP (VBZ allows) (S (NP (NNS animals)) (VP (TO to) (VP (VB move) (S (VP (VBG using) (NP (NP (DT the) (JJ Muscular) (NN System)) (CC and) (NP (DT the) (NNP Skeletal) (NNP System))))))))))))) (. .)))
The Musculoskeletal System (or Locomotor System) is a system that allows animals to move using the Muscular System and the Skeletal System.
(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.