( ( Each ( functional system ) ) ( ( is ( considered ( in ( terms ( of ( its ( cell ( , ( tissue ( , ( and ( organ types ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT Each) (ADJP (JJ functional)) (NN system)) (VP (VBZ is) (VP (VBN considered) (PP (IN in) (NP (NP (NNS terms)) (PP (IN of) (NP (PRP$ its) (NN cell) (, ,) (NN tissue) (, ,) (CC and) (NN organ) (NNS types))))))) (. .)))
Each functional system is considered in terms of its cell, tissue, and organ types.
(ROOT (S (NP (NNS Roundworms)) (VP (VBP exemplify) (NP (NP (JJ organ-level) (NN organization)) (, ,) (SBAR (WHADVP (WRB where)) (S (NP (NP (QP (CD two) (CC or) (JJR more)) (NNS types)) (PP (IN of) (NP (NNS tissues)))) (VP (VBP work) (ADVP (RB together)) (S (VP (TO to) (VP (VB perform) (NP (DT a) (JJ particular) (NN function)) (PP (IN as) (NP (DT an) (NN organ))))))))))) (. .)))