( It ( ( affects ( ( ( many ( organ systems ) ) , ) ( including ( ( ( ( ( ( ( ( ( ( ( ( ( the skin ) , ) ( gastrointestinal tract ) ) , ) ( central ( nervous system ) ) ) , ) and ) immune ) , ) skeletal ) , ) and ) ( reproductive systems ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ affects) (NP (NP (JJ many) (NN organ) (NNS systems)) (, ,) (PP (VBG including) (NP (NP (DT the) (NN skin)) (, ,) (NP (JJ gastrointestinal) (NN tract)) (, ,) (NP (JJ central) (JJ nervous) (NN system)) (, ,) (CC and) (NP (JJ immune)) (, ,) (NP (NN skeletal)) (, ,) (CC and) (NP (JJ reproductive) (NNS systems)))))) (. .)))
It affects many organ systems, including the skin, gastrointestinal tract, central nervous system, and immune, skeletal, and reproductive systems.
(ROOT (S (NP (NP (NNS Examples)) (PP (IN of) (NP (NP (NN organ) (NNS systems)) (PP (IN in) (NP (DT a) (NN human)))))) (VP (VBP include) (NP (NP (DT the) (NN skeletal)) (, ,) (ADJP (JJ nervous)) (, ,) (CC and) (NP (JJ reproductive) (NNS systems)))) (. .)))