( ( Through ( this connection ) ) ( , ( ( ( a clot ) ( entering ( the heart ) ) ) ( ( can ( ( travel ( from ( the ( right atrium ) ) ) ) ( to ( ( ( the ( left atrium ) ) , ) ( where ( blood ( ( ( flows ( into ( the ( left ventricle ) ) ) ) and ) ( ( is then ) ( pumped ( into ( the aorta ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Through) (NP (DT this) (NN connection))) (, ,) (NP (NP (DT a) (NN clot)) (VP (VBG entering) (NP (DT the) (NN heart)))) (VP (MD can) (VP (VB travel) (PP (IN from) (NP (DT the) (JJ right) (NN atrium))) (PP (TO to) (NP (NP (DT the) (JJ left) (NN atrium)) (, ,) (SBAR (WHADVP (WRB where)) (S (NP (NN blood)) (VP (VP (VBZ flows) (PP (IN into) (NP (DT the) (JJ left) (NN ventricle)))) (CC and) (VP (VBZ is) (ADVP (RB then)) (VP (VBN pumped) (PP (IN into) (NP (DT the) (NN aorta)))))))))))) (. .)))
Through this connection, a clot entering the heart can travel from the right atrium to the left atrium, where blood flows into the left ventricle and is then pumped into the aorta.
(ROOT (S (NP (NP (NNP Blood)) (PP (IN from) (NP (DT the) (NN body)))) (VP (VBZ enters) (NP (NP (JJ right) (NN atrium)) (PP (IN of) (NP (DT the) (NN heart)))) (SBAR (IN before) (S (NP (PRP it)) (VP (VBZ is) (VP (VBN pumped) (PP (PP (TO to) (NP (DT the) (JJ right) (NN ventricle))) (CC and) (RB then) (PP (TO to) (NP (DT the) (NNS lungs))))))))) (. .)))