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The male reproductive system is responsible for generating, storing, and transporting the
genetic material contained in the sperm cells. The main organs include: testicles (or
testes), the epididymides, the vas deferens, the ejaculatory duct, the urethra, and the
penis. Others are the scrotum, urogenital opening, and the prostate gland. Testes
contain two oval shaped glands about one and a half inches long and one inch wide. The
testes are suspended in a sac called the scrotum outside the body to maintain the lower
temperature necessary for efficient sperm production. The epididmyis are long oval
shaped structures attached to the rear upper surface of each testicle, consisting mainly
of the sperm ducts of the testes. The ejaculatory duct is a short tubule located just
above the prostate gland. It is formed by the connection on the vas deferens and the
seminal vesicles, and serves to transport spermatozoa through the prostate gland and into
the urethra.
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