( ( Blood ( that ( ( flows ( from ( the ( right atrium ) ) ) ) ( to ( the ( right ventricle ) ) ) ) ) ) ( ( is ( ( pumped out ) ( into ( the ( pulmonary trunk ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Blood)) (SBAR (WHNP (WDT that)) (S (VP (VBZ flows) (PP (IN from) (NP (DT the) (JJ right) (NN atrium))) (PP (TO to) (NP (DT the) (JJ right) (NN ventricle))))))) (VP (VBZ is) (VP (VBN pumped) (PRT (RP out)) (PP (IN into) (NP (DT the) (JJ pulmonary) (NN trunk))))) (. .)))
Blood that flows from the right atrium to the right ventricle is pumped out into the pulmonary trunk.
(ROOT (S (NP (NP (DT The) (JJ right) (NN atrium)) (PP (IN of) (NP (DT the) (JJ human) (NN heart)))) (VP (VBD pumps) (NP (DT the) (NN blood)) (PP (TO to) (NP (DT the) (JJ right) (NN ventricle)))) (. .)))