The Sex Organs - The Male Sex Organs
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The Internal Sex Organs: Accessory Organs
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In order to survive after their ejaculation, the sperm cells need to swim in a thick, nourishing, protective fluid called semen. Actually, the semen is composed of several different fluids which come together at various points in the urethra. The most important of these fluids are produced by the organs described in the following sections. |