( ( ( ( Nerve cells ) ( in ( ( ( the brain ) and ) ( spinal cord ) ) ) ) ( -LRB- ( neurons -RRB- ) ) ) ( ( are ( ( connected ( to ( ( other parts ) ( of ( the body ) ) ) ) ) ( by ( ( ( nerve fibers-long ) , ) ( ( thin extensions ) ( of ( cells ( ( ( residing ( in ( ( ( the brain ) or ) ( spinal cord ) ) ) ) and ) ( carrying ( ( electrical impulses ) ( that ( stimulate ( ( targeted cells ) ( to ( perform ( specific functions ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NP (JJ Nerve) (NNS cells)) (PP (IN in) (NP (NP (DT the) (NN brain)) (CC and) (NP (JJ spinal) (NN cord))))) (PRN (-LRB- -LRB-) (NP (NNS neurons)) (-RRB- -RRB-))) (VP (VBP are) (VP (VBN connected) (PP (TO to) (NP (NP (JJ other) (NNS parts)) (PP (IN of) (NP (DT the) (NN body))))) (PP (IN by) (NP (NP (NN nerve) (NN fibers-long)) (, ,) (NP (NP (JJ thin) (NNS extensions)) (PP (IN of) (NP (NP (NNS cells)) (VP (VP (VBG residing) (PP (IN in) (NP (NP (DT the) (NN brain)) (CC or) (NP (JJ spinal) (NN cord))))) (CC and) (VP (VBG carrying) (NP (NP (JJ electrical) (NNS impulses)) (SBAR (WHNP (WDT that)) (S (VP (VB stimulate) (S (NP (JJ targeted) (NNS cells)) (VP (TO to) (VP (VB perform) (NP (JJ specific) (NNS functions)))))))))))))))))) (. .)))
Nerve cells in the brain and spinal cord (neurons) are connected to other parts of the body by nerve fibers-long,thin extensions of cells residing in the brain or spinal cord and carrying electrical impulses that stimulate targeted cells to perform specific functions.
(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)))) (. .)))