( ( Pulmonary arteries ) ( ( are ( ( ( exceptions ( because ( they ( ( carry ( deoxygenated blood ) ) ( from ( ( the heart ) ( to lungs ) ) ) ) ) ) ) ; ) ( where ( ( oxygenation ( of blood ) ) ( takes place ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Pulmonary) (NNS arteries)) (VP (VBP are) (NP (NP (NNS exceptions)) (SBAR (IN because) (S (NP (PRP they)) (VP (VBP carry) (NP (JJ deoxygenated) (NN blood)) (PP (IN from) (NP (NP (DT the) (NN heart)) (PP (TO to) (NP (NNS lungs)))))))) (: ;) (SBAR (WHADVP (WRB where)) (S (NP (NP (NN oxygenation)) (PP (IN of) (NP (NN blood)))) (VP (VBZ takes) (NP (NN place))))))) (. .)))
Pulmonary arteries are exceptions because they carry deoxygenated blood from the heart to lungs; where oxygenation of blood takes place.
(ROOT (S (SBAR (IN After) (S (NP (NP (DT the) (NN blood)) (PP (IN in) (NP (DT the) (JJ pulmonary) (NNS capillaries)))) (VP (VBZ becomes) (VP (VBN saturated) (PP (IN with) (NP (NN oxygen))))))) (, ,) (NP (PRP it)) (VP (VBZ leaves) (NP (NP (DT the) (NNS lungs) (CC and) (NNS travels)) (PP (TO to) (NP (DT the) (NN heart))))) (. .)))