( ( Pattern ( of ( Blood Flow ) ) ) ( ( Through ( the ( Heart Blood ) ) ) ( ( ( ( returns ( from ( ( the body ) ( via veins/venules ) ) ) ) and ) ( enters ( the ( right atrium ) ) ) ) . ) ) )
(ROOT (S (NP (NP (NNP Pattern)) (PP (IN of) (NP (NNP Blood) (NNP Flow)))) (PP (IN Through) (NP (DT the) (NNP Heart) (NNP Blood))) (VP (VP (VBZ returns) (PP (IN from) (NP (NP (DT the) (NN body)) (PP (IN via) (NP (NNS veins/venules)))))) (CC and) (VP (VBZ enters) (NP (DT the) (JJ right) (NN atrium)))) (. .)))
Pattern of Blood Flow Through the Heart Blood returns from the body via veins/venules and enters the right atrium.
(ROOT (S (NP (NP (DT The) (JJ right) (NN atrium)) (PP (IN of) (NP (DT the) (NN heart)))) (VP (VBZ receives) (SBAR (S (NP (DT the) (NN blood)) (VP (VBZ is) (VP (VBN pumped) (PP (IN from) (NP (NP (NNS veins)) (PP (IN of) (NP (DT the) (JJ systemic) (NN circuit)))))))))) (. .)))