( ( Includes ( ( ( ( ( the levels ) ( of ( organization ( -LRB- ( ( ( ( ( ( ( ( biochemistry , ) cells ) , ) ( cellular metabolism ) ) , ) and ) tissues ) -RRB- ) ) ) ) ) , ) and ) ( ( ( support and ) movement ) ( -LRB- ( ( ( ( ( ( ( integumentary system ) , ) ( skeletal system ) ) , ) and ) ( the ( muscular system ) ) ) -RRB- ) ) ) ) ) . )
(ROOT (S (VP (VBZ Includes) (NP (NP (NP (DT the) (NNS levels)) (PP (IN of) (NP (NP (NN organization)) (PRN (-LRB- -LRB-) (NP (NP (NN biochemistry)) (, ,) (NP (NNS cells)) (, ,) (NP (JJ cellular) (NN metabolism)) (, ,) (CC and) (NP (NNS tissues))) (-RRB- -RRB-))))) (, ,) (CC and) (NP (NP (NN support) (CC and) (NN movement)) (PRN (-LRB- -LRB-) (NP (NP (JJ integumentary) (NN system)) (, ,) (NP (JJ skeletal) (NN system)) (, ,) (CC and) (NP (DT the) (JJ muscular) (NN system))) (-RRB- -RRB-))))) (. .)))
Includes the levels of organization (biochemistry, cells, cellular metabolism, and tissues), and support and movement (integumentary system, skeletal system, and the muscular 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.