( This ( ( allows ( for ( ( some degree ) ( of ( separation ( between ( ( the ( de-oxygenated bloodstream ) ) ( destined ( for ( ( ( the lungs ) and ) ( ( the ( oxygenated stream ) ) ( that ( is ( delivered ( to ( ( the rest ) ( of ( the body ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ allows) (PP (IN for) (NP (NP (DT some) (NN degree)) (PP (IN of) (NP (NP (NN separation)) (PP (IN between) (NP (NP (DT the) (JJ de-oxygenated) (NN bloodstream)) (VP (VBN destined) (PP (IN for) (NP (NP (DT the) (NNS lungs)) (CC and) (NP (NP (DT the) (JJ oxygenated) (NN stream)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (VP (VBN delivered) (PP (TO to) (NP (NP (DT the) (NN rest)) (PP (IN of) (NP (DT the) (NN body)))))))))))))))))))) (. .)))
This allows for some degree of separation between the de-oxygenated bloodstream destined for the lungs and the oxygenated stream that is delivered to the rest of the body.
(ROOT (S (ADVP (RB Diaphragm)) (, ,) (NP (NP (NNS lungs)) (, ,) (CC and) (NP (NN trachea))) (VP (VP (VB take) (NP (NN air)) (ADVP (RB deep)) (PP (IN into) (NP (DT the) (NN body)))) (CC and) (VP (VB provide) (NP (NN oxygen) (NN gas)) (PP (TO to) (NP (DT the) (NN bloodstream))))) (. .)))