( Urine ( ( is ( formed ( by ( ( waste products ) ( ( ( discharged ( by ( the kidneys ) ) ) and ) ( mixed ( with ( excess water ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Urine)) (VP (VBZ is) (VP (VBN formed) (PP (IN by) (NP (NP (NN waste) (NNS products)) (VP (VP (VBN discharged) (PP (IN by) (NP (DT the) (NNS kidneys)))) (CC and) (VP (VBN mixed) (PP (IN with) (NP (JJ excess) (NN water))))))))) (. .)))
Urine is formed by waste products discharged by the kidneys and mixed with excess water.
(ROOT (S (NP (NNP Urine)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (JJ liquid) (NN waste)) (VP (VBN formed) (PP (IN by) (NP (NNS kidneys)))))))) (. .)))