( ( In ( the ( living body ) ) ) ( , ( ( ( a system ) ( of ( ( ( ( ( ( ANTIOXIDANT enzymes ) , ) nutrients ) , ) and ) ( other substances ) ) ) ) ( ( ( are constantly ) ( neutralizing ( ( damaging molecules ) ( called ( FREE RADICALS ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (DT the) (NN living) (NN body))) (, ,) (NP (NP (DT a) (NN system)) (PP (IN of) (NP (NP (JJ ANTIOXIDANT) (NNS enzymes)) (, ,) (NP (NNS nutrients)) (, ,) (CC and) (NP (JJ other) (NNS substances))))) (VP (VBP are) (ADVP (RB constantly)) (VP (VBG neutralizing) (NP (NP (JJ damaging) (NNS molecules)) (VP (VBN called) (NP (NNP FREE) (NNP RADICALS)))))) (. .)))
In the living body, a system of ANTIOXIDANT enzymes, nutrients, and other substances are constantly neutralizing damaging molecules called FREE RADICALS.
(ROOT (S (NP (DT The) (JJ cardiovascular) (NN system)) (VP (VBZ moves) (NP (NP (NNS nutrients)) (CC and) (NP (JJ other) (NNS substances))) (PP (IN throughout) (NP (DT the) (NN body)))) (. .)))