( ( One ( of ( ( the ( ( most important ) functions ) ) ( of blood ) ) ) ) ( ( is ( ( the transport ) ( of ( oxygen ( ( ( to ( the ( body tissues ) ) ) and ) ( for ( ( carrying away ) ( wastes ( such ( as ( carbon dioxide ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (CD One)) (PP (IN of) (NP (NP (DT the) (ADJP (RBS most) (JJ important)) (NNS functions)) (PP (IN of) (NP (NN blood)))))) (VP (VBZ is) (NP (NP (DT the) (NN transport)) (PP (IN of) (NP (NP (NN oxygen)) (PP (PP (TO to) (NP (DT the) (NN body) (NNS tissues))) (CC and) (PP (IN for) (S (VP (VBG carrying) (PRT (RP away)) (NP (NP (NNS wastes)) (PP (JJ such) (IN as) (NP (NN carbon) (NN dioxide)))))))))))) (. .)))
One of the most important functions of blood is the transport of oxygen to the body tissues and for carrying away wastes such as carbon dioxide.
(ROOT (S (PP (IN In) (NP (DT the) (NN body))) (, ,) (S (NP (NN oxygen)) (VP (VBZ is) (VP (VBN used) (PP (IN by) (NP (NP (NNS cells)) (PP (IN of) (NP (NP (DT the) (NN body) (POS 's)) (NNS tissues)))))))) (CC and) (S (NP (NN carbon) (NN dioxide)) (VP (VBZ is) (VP (VBN produced) (PP (IN as) (NP (DT a) (NN waste) (NN product)))))) (. .)))