( ( Organ systems ) ( ( include ( ( integumentary ( , ( skeletal ( , ( muscular ( , ( digestive ( , ( ( nervous and ) special ) ) ) ) ) ) ) ) ) senses ) ) . ) )
(ROOT (S (NP (NN Organ) (NNS systems)) (VP (VBP include) (NP (ADJP (JJ integumentary) (, ,) (JJ skeletal) (, ,) (JJ muscular) (, ,) (JJ digestive) (, ,) (JJ nervous) (CC and) (JJ special)) (NNS senses))) (. .)))
Organ systems include integumentary, skeletal, muscular, digestive, nervous and special senses.
(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.