( ( In ( ( the presence ) ( of oxygen ) ) ) ( , ( ( our capillaries ) ( ( undergo ( ( an increase ) ( in ( ( vasodilation , ) ( which ( enables ( them ( to ( ( carry ( ( the ( greatest amount ) ) ( of ( important nutrients ) ) ) ) ( to ( the ( nerve cells ) ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NP (DT the) (NN presence)) (PP (IN of) (NP (NN oxygen))))) (, ,) (NP (PRP$ our) (NNS capillaries)) (VP (VBP undergo) (NP (NP (DT an) (NN increase)) (PP (IN in) (NP (NP (NN vasodilation)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ enables) (S (NP (PRP them)) (VP (TO to) (VP (VB carry) (NP (NP (DT the) (JJS greatest) (NN amount)) (PP (IN of) (NP (JJ important) (NNS nutrients)))) (PP (TO to) (NP (DT the) (NN nerve) (NNS cells))))))))))))) (. .)))
In the presence of oxygen, our capillaries undergo an increase in vasodilation, which enables them to carry the greatest amount of important nutrients to the nerve cells.
(ROOT (S (NP (DT The) (JJ abnormal) (NNS cells)) (VP (VP (MD can) (RB not) (VP (VB carry) (NP (NN oxygen)) (ADVP (RB properly)))) (CC and) (VP (MD can) (VP (VB get) (VP (VBN stuck) (PP (IN in) (NP (NNS capillaries))))))) (. .)))