( ( ( ( ( Carbon ( ( dioxide and ) water ) ) , ) ( two ( of ( the ( main ( waste products ) ) ) ) ) ) , ) ( ( are ( ( removed ( from ( the body ) ) ) ( by ( the ( respiratory system ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Carbon) (NN dioxide) (CC and) (NN water)) (, ,) (NP (NP (CD two)) (PP (IN of) (NP (DT the) (JJ main) (NN waste) (NNS products)))) (, ,)) (VP (VBP are) (VP (VBN removed) (PP (IN from) (NP (DT the) (NN body))) (PP (IN by) (NP (DT the) (JJ respiratory) (NN system))))) (. .)))
Carbon dioxide and water, two of the main waste products, are removed from the body by the respiratory system.
(ROOT (S (NP (DT The) (JJ urinary) (NN system) (NN system)) (VP (VP (VBZ controls) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NN water)))) (PP (IN in) (NP (DT the) (NN body)))) (CC and) (VP (VBZ removes) (NP (NNS wastes)))) (. .)))