( ( ( The ( Earthworm 's ) ) ( Digestive Tract ) ) ( ( ( ( The earthworm ) ( ( eats food ) ( through ( ( it 's ) mouth ) ) ) ) , ) ( ( is ( swallowed ( by ( ( ( ( ( ( ( the ( sucking action ) ) ( of ( the ( muscular pharynx ) ) ) ) ( -LRB- ( 8 -RRB- ) ) ) , ) and ) then ) ( passes ( through ( ( the esophagus ) ( -LRB- ( 7 -RRB- ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (NP (DT The) (NNP Earthworm) (POS 's)) (NNP Digestive) (NNP Tract)) (PRN (S (NP (DT The) (NN earthworm)) (VP (VBZ eats) (NP (NN food)) (PP (IN through) (NP (NP (PRP it) (POS 's)) (NN mouth))))) (, ,)) (VP (VBZ is) (VP (VBN swallowed) (PP (IN by) (NP (NP (DT the) (VBG sucking) (NN action)) (PP (IN of) (NP (DT the) (JJ muscular) (NN pharynx))) (PRN (-LRB- -LRB-) (NP (CD 8)) (-RRB- -RRB-)) (, ,) (CC and) (ADVP (RB then)) (NP (NP (NNS passes)) (PP (IN through) (NP (NP (DT the) (NNS esophagus)) (PRN (-LRB- -LRB-) (NP (CD 7)) (-RRB- -RRB-))))))))) (. .)))
The Earthworm's Digestive Tract The earthworm eats food through it's mouth , is swallowed by the sucking action of the muscular pharynx (8) , and then passes through the esophagus (7) .
(ROOT (S (NP (DT The) (NN pharynx)) (VP (VBZ is) (NP (NP (DT the) (NN name)) (PP (IN of) (NP (NP (DT the) (NN tube)) (SBAR (WHNP (WDT that)) (S (VP (VBZ joins) (NP (DT the) (NN mouth)) (PP (TO to) (NP (DT the) (ADJP (JJ digestive) (CC and) (JJ respiratory)) (NNS tracts)))))))))) (. .)))