( Topics ( ( include ( ( ( ( ( ( ( ( general ( organization ( and ( cellular function ) ) ) ) , ) ( skeletal-muscular system ) ) , ) ( nervous system ) ) , ) and ) ( circulatory system ) ) ) . ) )
(ROOT (S (NP (NNS Topics)) (VP (VBP include) (NP (NP (JJ general) (NN organization) (CC and) (JJ cellular) (NN function)) (, ,) (NP (JJ skeletal-muscular) (NN system)) (, ,) (NP (JJ nervous) (NN system)) (, ,) (CC and) (NP (JJ circulatory) (NN system)))) (. .)))
Topics include general organization and cellular function, skeletal-muscular system, nervous system, and circulatory 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.