( ( ( ( ( CP ( epithelial cells ) ) ( actively ( ( transport ( sodium ( , ( chloride ( and ( bicarbonate ions ) ) ) ) ) ) ( into ( the ventricles ) ) ) ) ) and ) ( water ( follows ( the ( resulting ( osmotic gradient ) ) ) ) ) ) . )
(ROOT (S (S (NP (NNP CP) (NN epithelial) (NNS cells)) (ADVP (RB actively)) (VP (VB transport) (NP (NN sodium) (, ,) (NN chloride) (CC and) (NN bicarbonate) (NNS ions)) (PP (IN into) (NP (DT the) (NNS ventricles))))) (CC and) (S (NP (NN water)) (VP (VBZ follows) (NP (DT the) (JJ resulting) (JJ osmotic) (NN gradient)))) (. .)))
CP epithelial cells actively transport sodium, chloride and bicarbonate ions into the ventricles and water follows the resulting osmotic gradient.
(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))))) (. .)))