( ( ( ( Hemoglobin , ) ( ( the protein ) ( that ( ( transports ( oxygen ( from ( the lungs ) ) ) ) ( to ( ( distant parts ) ( of ( the body ) ) ) ) ) ) ) ) , ) ( ( is ( ( the ( ( most abundant ) protein ) ) ( in ( a ( red ( blood cell ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Hemoglobin)) (, ,) (NP (NP (DT the) (NN protein)) (SBAR (WHNP (WDT that)) (S (VP (VBZ transports) (NP (NP (NN oxygen)) (PP (IN from) (NP (DT the) (NNS lungs)))) (PP (TO to) (NP (NP (JJ distant) (NNS parts)) (PP (IN of) (NP (DT the) (NN body))))))))) (, ,)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (JJ abundant)) (NN protein)) (PP (IN in) (NP (DT a) (JJ red) (NN blood) (NN cell))))) (. .)))
Hemoglobin, the protein that transports oxygen from the lungs to distant parts of the body, is the most abundant protein in a red blood cell.
(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)))))))) (. .)))