( ( The ( digestive system ) ) ( ( ( ( breaks down ) food ) ( into ( particles ( ( so tiny ) ( that ( blood ( can ( ( take nourishment ) ( to ( ( all parts ) ( of ( the body ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ digestive) (NN system)) (VP (VBZ breaks) (PRT (RP down)) (NP (NN food)) (PP (IN into) (NP (NP (NNS particles)) (ADJP (ADJP (RB so) (JJ tiny)) (SBAR (IN that) (S (NP (NN blood)) (VP (MD can) (VP (VB take) (NP (NN nourishment)) (PP (TO to) (NP (NP (DT all) (NNS parts)) (PP (IN of) (NP (DT the) (NN body))))))))))))) (. .)))
The digestive system breaks down food into particles so tiny that blood can take nourishment to all parts of the body.
(ROOT (S (NP (NP (DT The) (JJ main) (NN function)) (PP (IN of) (NP (DT the) (JJ human) (NN digestive) (NN system)))) (VP (VBZ is) (S (VP (TO to) (VP (VB break) (PRT (RP down)) (NP (NP (NNS foods)) (PP (IN for) (NP (NN absorption)))) (PP (IN into) (NP (DT the) (NN blood))))))) (. .)))