( Testicles ( ( are ( ( the ( reproductive organs ) ) ( that ( ( ( secrete ( the ( male ( hormone testosterone ) ) ) ) and ) ( produce spermatozoa ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Testicles)) (VP (VBP are) (NP (NP (DT the) (JJ reproductive) (NNS organs)) (SBAR (WHNP (WDT that)) (S (VP (VP (VB secrete) (NP (DT the) (JJ male) (NN hormone) (NN testosterone))) (CC and) (VP (VB produce) (NP (NN spermatozoa)))))))) (. .)))
Testicles are the reproductive organs that secrete the male hormone testosterone and produce spermatozoa.
(ROOT (S (NP (DT The) (JJ male) (JJ reproductive) (NN system)) (VP (VBZ consists) (PP (IN of) (NP (NP (NNS structures)) (SBAR (WHNP (WDT that)) (S (VP (VBP produce) (NP (NN sperm) (CC and) (NN secrete) (NN testosterone)))))))) (. .)))