( ( ( ( ( Cardiovascular diseases ) , ) ( often ( called CVD ) ) ) , ) ( ( are ( disorders ( of ( the ( ( heart and ) ( blood ( vessel system ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Cardiovascular) (NNS diseases)) (, ,) (VP (ADVP (RB often)) (VBN called) (NP (NNP CVD))) (, ,)) (VP (VBP are) (NP (NP (NNS disorders)) (PP (IN of) (NP (DT the) (NX (NX (NN heart)) (CC and) (NX (NN blood) (NN vessel) (NN system))))))) (. .)))
Cardiovascular diseases, often called CVD, are disorders of the heart and blood vessel system.
(ROOT (S (NP (NP (DT The) (JJ cardiovascular) (NN system)) (PP (IN in) (NP (DT the) (JJ human) (NN body)))) (VP (VBZ consists) (PP (IN of) (NP (NP (DT the) (NN heart)) (, ,) (NP (NP (DT a) (NN network)) (PP (IN of) (NP (NN blood) (NNS vessels)))) (, ,) (CC and) (NP (NN blood))))) (. .)))