( ( ( The ( subsequent decrease ) ) ( in ( intracellular ( bicarbonate concentration ) ) ) ) ( ( reverses ( chloride-bicarbonate exchange ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ subsequent) (NN decrease)) (PP (IN in) (NP (NN intracellular) (NN bicarbonate) (NN concentration)))) (VP (VBZ reverses) (NP (JJ chloride-bicarbonate) (NN exchange))) (. .)))
The subsequent decrease in intracellular bicarbonate concentration reverses chloride-bicarbonate exchange.
(ROOT (S (PP (IN In) (NP (DT the) (NNS lungs))) (, ,) (NP (NN bicarbonate)) (VP (VBZ is) (VP (VBN transported) (PRT (RP back)) (PP (IN into) (NP (NP (DT the) (JJ red) (NN blood) (NNS cells)) (PP (IN in) (NP (NN exchange))))) (PP (IN for) (NP (NN chloride))))) (. .)))