( ( Most digestion ) ( ( takes ( ( ( place and ) nutrients ) ( are ( absorbed ( in ( the ( small intestine ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJS Most) (NNS digestion)) (VP (VBZ takes) (SBAR (S (NP (NN place) (CC and) (NNS nutrients)) (VP (VBP are) (VP (VBN absorbed) (PP (IN in) (NP (DT the) (JJ small) (NN intestine)))))))) (. .)))
Most digestion takes place and nutrients are absorbed in the small intestine.
(ROOT (S (NP (NP (JJS Most)) (PP (IN of) (NP (DT the) (NN digestion) (NNS reactions)))) (VP (VBP occur) (PP (IN in) (NP (DT the) (JJ small) (NN intestine)))) (. .)))