( Oxygen ( ( is ( ( carried ( through ( the body ) ) ) ( by ( ( a protein ) ( called ( hemoglobin ( which ( ( ( ( binds oxygen ) ( in ( the lungs ) ) ) and ) ( ( carries it ) ( to ( the tissues ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Oxygen)) (VP (VBZ is) (VP (VBN carried) (PP (IN through) (NP (DT the) (NN body))) (PP (IN by) (NP (NP (DT a) (NN protein)) (VP (VBN called) (NP (NP (NN hemoglobin)) (SBAR (WHNP (WDT which)) (S (VP (VP (VBZ binds) (NP (NN oxygen)) (PP (IN in) (NP (DT the) (NNS lungs)))) (CC and) (VP (VBZ carries) (NP (PRP it)) (PP (TO to) (NP (DT the) (NNS tissues))))))))))))) (. .)))
Oxygen is carried through the body by a protein called hemoglobin which binds oxygen in the lungs and carries it to the tissues.
(ROOT (S (NP (NNP Hemoglobin)) (VP (VBZ is) (NP (NP (DT the) (NN name)) (PP (IN of) (NP (DT the) (NN blood) (NN protein))) (SBAR (WHNP (WDT that)) (S (VP (VBZ carries) (NP (NP (NN oxygen)) (PP (IN from) (NP (DT the) (NNS lungs)))) (PP (TO to) (NP (NP (DT the) (NN body) (POS 's)) (JJ assorted) (NNS tissues)))))))) (. .)))