( ( Humoral immunity ) ( ( ( depends ( upon ( ( ( ( ( ( ( ( ( B-lymphocytes , ) ( plasma cells ) ) , ) immunoglobulins ) , ) ( the ( complement system ) ) ) , ) and ) ( ( other ( plasma proteins ) ) ( like ( ( ( ( ( ( ( lysozyme , ) transferrin ) , ) ( C-reactive protein ) ) , ) and ) properdin ) ) ) ) ) ) ( to ( ( ( synergistically ( combat bacteria ) ) and ) ( some viruses ) ) ) ) . ) )
(ROOT (S (NP (JJ Humoral) (NN immunity)) (VP (VBZ depends) (PP (IN upon) (NP (NP (NNP B-lymphocytes)) (, ,) (NP (NN plasma) (NNS cells)) (, ,) (NP (NNS immunoglobulins)) (, ,) (NP (DT the) (JJ complement) (NN system)) (, ,) (CC and) (NP (NP (JJ other) (NN plasma) (NNS proteins)) (PP (IN like) (NP (NP (NN lysozyme)) (, ,) (NP (NN transferrin)) (, ,) (NP (JJ C-reactive) (NN protein)) (, ,) (CC and) (NP (NN properdin))))))) (PP (TO to) (NP (NP (JJ synergistically) (NN combat) (NNS bacteria)) (CC and) (NP (DT some) (NNS viruses))))) (. .)))
Humoral immunity depends upon B-lymphocytes, plasma cells, immunoglobulins, the complement system, and other plasma proteins like lysozyme, transferrin, C-reactive protein, and properdin to synergistically combat bacteria and some viruses.
(ROOT (S (NP (DT The) (JJ complement) (NN system)) (VP (VBZ is) (NP (NP (DT a) (NN series)) (PP (IN of) (NP (NP (NNS proteins)) (VP (ADVP (RB constitutively)) (VBN found) (PP (IN in) (NP (DT the) (NN blood) (NN plasma)))))))) (. .)))