( ( ( Carbon dioxide ) ( that ( diffuses ( into ( the ( red ( blood cell ) ) ) ) ) ) ) ( ( ( can chemically ) ( ( combine ( with water ) ) ( to ( from ( carbonic acid ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Carbon) (NN dioxide)) (SBAR (WHNP (WDT that)) (S (VP (VBZ diffuses) (PP (IN into) (NP (DT the) (JJ red) (NN blood) (NN cell))))))) (VP (MD can) (ADVP (RB chemically)) (VP (VB combine) (PP (IN with) (NP (NN water))) (PP (TO to) (PP (IN from) (NP (JJ carbonic) (NN acid)))))) (. .)))
Carbon dioxide that diffuses into the red blood cell can chemically combine with water to from carbonic acid .
(ROOT (S (NP (NNP Carbon) (NN dioxide)) (ADVP (RB chemically)) (VP (VBP weather) (NP (NNS rocks)) (PP (IN by) (S (VP (VBG creating) (NP (NNS acids)))))) (. .)))