( ( ( ( Structure and ) function ) ( of ( the cell ) ) ) ( ( are ( ( ( stressed ( with ( its relationship ) ) ) ( to ( ( other levels ) ( of organization ) ) ) ) ( within ( ( the body ) ( such ( as ( tissues ( , ( organs ( and ( organ systems ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NN Structure) (CC and) (NN function)) (PP (IN of) (NP (DT the) (NN cell)))) (VP (VBP are) (VP (VBN stressed) (PP (IN with) (NP (PRP$ its) (NN relationship))) (PP (TO to) (NP (NP (JJ other) (NNS levels)) (PP (IN of) (NP (NN organization))))) (PP (IN within) (NP (NP (DT the) (NN body)) (PP (JJ such) (IN as) (NP (NNS tissues) (, ,) (NNS organs) (CC and) (NN organ) (NNS systems))))))) (. .)))
Structure and function of the cell are stressed with its relationship to other levels of organization within the body such as tissues, organs and organ systems.
(ROOT (S (NP (DT The) (NN sequence) (NN cell) (CD →) (NN tissue) (CD →) (NN organ) (CD →) (NN organ) (NN system)) (VP (VBZ identifies) (NP (NP (DT the) (NNS levels)) (PP (IN of) (NP (NP (NN organization)) (PP (IN of) (NP (NP (NN body) (NNS structures)) (PP (IN in) (NP (DT a) (NN human)))))))) (PP (IN from) (NP (NP (JJS simplest)) (PP (TO to) (NP (JJS most) (NN complex)))))) (. .)))
The sequence cell → tissue → organ → organ system identifies the levels of organization of body structures in a human from simplest to most complex.