( ( The ( right heart ) ) ( ( has ( ( ( ( ( a ( blood-receiving chamber ) ) ( called ( an atrium ) ) ) , ) and ) ( ( a blood ) ( pumping ( ( chamber , ) ( called ( a ventricle ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ right) (NN heart)) (VP (VBZ has) (NP (NP (NP (DT a) (JJ blood-receiving) (NN chamber)) (VP (VBN called) (NP (DT an) (NN atrium)))) (, ,) (CC and) (NP (NP (DT a) (NN blood)) (VP (VBG pumping) (NP (NP (NN chamber)) (, ,) (VP (VBN called) (NP (DT a) (NN ventricle)))))))) (. .)))
The right heart has a blood-receiving chamber called an atrium, and a blood pumping chamber, called a ventricle.
(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)))))))))) (. .)))