( ( The brain ) ( ( ( controls ( all ( of ( ( the functions ) ( of ( the body ) ) ) ) ) ) ( by ( ( sending ( electrical impulses ) ) ( throughout ( the ( nervous system ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN brain)) (VP (VBZ controls) (NP (NP (DT all)) (PP (IN of) (NP (NP (DT the) (NNS functions)) (PP (IN of) (NP (DT the) (NN body)))))) (PP (IN by) (S (VP (VBG sending) (NP (JJ electrical) (NNS impulses)) (PP (IN throughout) (NP (DT the) (JJ nervous) (NN system))))))) (. .)))
The brain controls all of the functions of the body by sending electrical impulses throughout the nervous system.
(ROOT (S (NP (DT The) (JJ nervous) (NN system)) (VP (VBZ sends) (NP (JJ electrical) (NNS signals)) (PP (TO to) (NP (DT all) (JJ other) (NN body) (NNS systems)))) (. .)))
The nervous system sends electrical signals to all other body systems.