( ( ( CENTRAL ( NERVOUS SYSTEM ) ) ( ( A ( collective term ) ) ( for ( ( ( ( ( ( ( ( the brain ) , ) ( spinal cord ) ) , ) ( their nerves ) ) , ) and ) ( the ( sensory ( end organs ) ) ) ) ) ) ) . )
(ROOT (NP (NP (NNP CENTRAL) (NNP NERVOUS) (NNP SYSTEM)) (NP (NP (DT A) (JJ collective) (NN term)) (PP (IN for) (NP (NP (DT the) (NN brain)) (, ,) (NP (JJ spinal) (NN cord)) (, ,) (NP (PRP$ their) (NNS nerves)) (, ,) (CC and) (NP (DT the) (JJ sensory) (NN end) (NNS organs))))) (. .)))
CENTRAL NERVOUS SYSTEM A collective term for the brain, spinal cord, their nerves, and the sensory end organs.
(ROOT (S (NP (JJ Sensory) (NNS neurons)) (VP (VBD transmit) (NP (NN nerve) (NNS impulses)) (PP (IN from) (NP (NP (NN sense) (NNS organs)) (CC and) (NP (JJ internal) (NNS organs)))) (PP (TO to) (NP (NP (DT the) (NN brain)) (PP (IN via) (NP (DT the) (JJ spinal) (NN cord)))))) (. .)))