( ( ( ( ( Nerve cells ) , ) ( for example ) ) , ) ( ( have ( ( long ( , ( thin extensions ) ) ) ( that ( can ( ( ( reach ( for meters ) ) and ) ( serve ( to ( ( transmit signals ) rapidly ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ Nerve) (NNS cells)) (, ,) (PP (IN for) (NP (NN example))) (, ,)) (VP (VBP have) (NP (NP (JJ long) (, ,) (JJ thin) (NNS extensions)) (SBAR (WHNP (WDT that)) (S (VP (MD can) (VP (VP (VB reach) (PP (IN for) (NP (NNS meters)))) (CC and) (VP (VB serve) (S (VP (TO to) (VP (VB transmit) (NP (NNS signals)) (ADVP (RB rapidly)))))))))))) (. .)))
Nerve cells, for example, have long, thin extensions that can reach for meters and serve to transmit signals rapidly.
(ROOT (S (NP (NP (DT The) (JJ long) (, ,) (JJ threadlike) (NNS extensions)) (PP (IN of) (NP (DT the) (NN nerve) (NN cell)))) (VP (VBP help) (VP (VB transmit) (NP (NN nerve) (NNS impulses)))) (. .)))