Let's learn about male sex organs with RI-kun!!① Testicles
An important organ which produces RI-kun's sperm. They also secrete male hormones.② Epididymis
Organ that stores the semen and allows it to reach maturity.③ Seminal ducts
Tubes which transport the sperm.④ Seminal vesicles
Secretes seminal fluid and produces semen.⑤ Prostate gland
Secrets the prostatic fluid and activates the sperm. RI-kun's weak spot.⑥ Bulbourethral gland
Secretes Cowper's fluid.
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