( ( The ( last ( oxygen concentration ) ) ) ( ( is ( in ( pulmonary ( end-capillary blood ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ last) (NN oxygen) (NN concentration)) (VP (VBZ is) (PP (IN in) (NP (JJ pulmonary) (JJ end-capillary) (NN blood)))) (. .)))
The last oxygen concentration is in pulmonary end-capillary blood.
(ROOT (S (NP (NNP Oxygen)) (VP (VBZ is) (VP (VBN transferred) (PP (IN through) (NP (NNS capillaries))))) (. .)))