( ( ( ( ( ( ( Circulatory System ) ( The blood ) ) ( is ( ( the ( transport system ) ) ( ( by which ) ( ( ( oxygen and ) nutrients ) ( reach ( ( the ( body 's ) ) cells ) ) ) ) ) ) ) , ) and ) ( ( waste materials ) ( are ( carried away ) ) ) ) . )
(ROOT (S (S (NP (NP (NNP Circulatory) (NNP System)) (NP (DT The) (NN blood))) (VP (VBZ is) (NP (NP (DT the) (NN transport) (NN system)) (SBAR (WHPP (IN by) (WHNP (WDT which))) (S (NP (NN oxygen) (CC and) (NNS nutrients)) (VP (VBP reach) (NP (NP (DT the) (NN body) (POS 's)) (NNS cells)))))))) (, ,) (CC and) (S (NP (NN waste) (NNS materials)) (VP (VBP are) (VP (VBN carried) (PRT (RP away))))) (. .)))
Circulatory System The blood is the transport system by which oxygen and nutrients reach the body's cells, and waste materials are carried away.
(ROOT (S (NP (NP (DT The) (JJ main) (NN function)) (PP (IN of) (NP (DT the) (JJ circulatory) (NN system)))) (VP (VBZ is) (S (VP (TO to) (VP (VB transport) (NP (NNS materials)))))) (. .)))