( ( The ( digestive system ) ) ( ( ( ( begins ( with ( the mouth ) ) ) and ) ( travels ( throughout ( ( the body ) ( ending ( with elimination ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ digestive) (NN system)) (VP (VP (VBZ begins) (PP (IN with) (NP (DT the) (NN mouth)))) (CC and) (VP (VBZ travels) (PP (IN throughout) (NP (NP (DT the) (NN body)) (VP (VBG ending) (PP (IN with) (NP (NN elimination)))))))) (. .)))
The digestive system begins with the mouth and travels throughout the body ending with elimination.
(ROOT (S (NP (NNP Digestion)) (VP (VBZ begins) (PP (IN in) (NP (DT the) (NN mouth)))) (. .)))