| http://www.w3.org/ns/prov#value | - ??? Actual sperm factories of male reproductive system that empty sperm into rete testes are called the seminiferous tubules ??? ??? ??? androgens such as testosterone are produced by the interstitial cells ??? ??? ??? thick clear mucus that cleanses the urethra of acidic urine is produced by the bulbourethral glands ??? ??? ??? approximate pH of semen 7.2 - 7.6 ??? ??? ??? spermatogenesis beings
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