( It ( ( is ( ( ( composed ( of ( red ( blood ( cells ( , ( platelets ( , ( plasma ( and ( white ( blood cells ) ) ) ) ) ) ) ) ) ) ) ) , ) ( collectively ( ( referred to ) ( as ( blood components ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (VP (VBN composed) (PP (IN of) (NP (JJ red) (NN blood) (NNS cells) (, ,) (NNS platelets) (, ,) (NN plasma) (CC and) (JJ white) (NN blood) (NNS cells))) (, ,) (S (ADVP (RB collectively)) (VP (VBN referred) (S (VP (TO to))) (PP (IN as) (NP (NN blood) (NNS components))))))) (. .)))
It is composed of red blood cells, platelets, plasma and white blood cells, collectively referred to as blood components.
(ROOT (S (NP (NNP Blood)) (VP (VBZ is) (VP (VBN made) (PRT (RP up)) (PP (IN of) (NP (NP (JJ red) (NN blood) (NNS cells)) (, ,) (NP (JJ white) (NN blood) (NNS cells)) (, ,) (NP (NNS platelets)) (, ,) (CC and) (NP (NN plasma)))))) (. .)))