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This means that in the event of a rival male's sperm occupying the reproductive tract of a female, the human penis is able to displace the rival sperm, replacing it with his own. [42] Semen displacement has two main benefits for a male. Firstly, by displacing a rival male's sperm, the risk of the rival sperm fertilising the egg is reduced. [43]
Female (left) and male (right) adult human bodies photographed in ventral (above) and dorsal (below) perspectives. Naturally-occurring pubic, body, and facial hair have been deliberately removed to show anatomy. The human body is the entire structure of a human being.
Sex organs are typically differentiated into male and female types. In animals (including humans), the male sex organs include the testicles, epididymides, and penis; the female sex organs include the clitoris, ovaries, oviducts, and vagina. The testicle in the male and the ovary in the female are called the primary sex organs. [1]
Laqueur explains that Galen considered women's seed to be true semen of inferior quality to male semen because women have less internal heat than men and are thus are less “perfect”. [31] The same perfect vs. lesser relationship is present between male and female reproductive fluids as in Galen's model as male and female genitalia. [ 31 ]
Naked human male body, seen in frontal or anterior view, standing in w:anatomic position. Reason Large and detailed image of the human body Articles this image appears in Human body (so far - just uploaded it) Creator Mikael Häggström. Support as nominator (and model) Mikael Häggström 19:19, 24 August 2008 (UTC)