( ( The ( tiny ( red ( blood cells ) ) ) ) ( ( ( can then ) ( ( ( pass easily ) ( through ( ( the walls ) ( of ( the capillaries ) ) ) ) ) ( to ( deliver ( ( the oxygen ) ( they ( carry ( to ( nearby cells ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ tiny) (JJ red) (NN blood) (NNS cells)) (VP (MD can) (RB then) (VP (VB pass) (ADVP (RB easily)) (PP (IN through) (NP (NP (DT the) (NNS walls)) (PP (IN of) (NP (DT the) (NNS capillaries))))) (S (VP (TO to) (VP (VB deliver) (NP (NP (DT the) (NN oxygen)) (SBAR (S (NP (PRP they)) (VP (VBP carry) (PP (TO to) (NP (JJ nearby) (NNS cells)))))))))))) (. .)))
The tiny red blood cells can then pass easily through the walls of the capillaries to deliver the oxygen they carry to nearby 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))))))) (. .)))