Here’s the reason your penis is shaped like it is — Информационное Агентство "365 дней"

Here’s the reason your penis is shaped like it is

Have you ever wondered why your manhood is designed the way it is?

Not going into details about the length and girth, the head of the penis, if you notice, actually resembles a mushroom.

According to a report in The Sun, experts believe the penis evolved to become a ‘tool’. With a ridge to remove semen of love rivals so that it ensured that the prospective suitor was the only one who could get the girl pregnant.

According to Professor Gordon Gallup from the State University of New York who led a team of scientists to investigate the anatomy of the human penis and its use, the thrust of the penis — and the ridge that separates the head from the shaft — could help clear a woman's vagina and reproductive system of a previous lover's sperm.

They tested their theory in the lab — with latex penises and model vaginas.

Mixing starch and water, they found that the ridge on top of a man’s penis could scoop out more than 90 per cent of the ‘semen’ substitute in a single thrust and the deeper the thrust, the better, scientists concluded.

Speaking to BBC, Prof Gallup said that they theorised that as a consequence of competition for paternity, human males evolved uniquely configured penises that function to displace semen from the vagina left by other males.

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He said they found evidence that couples tend to have more energetic sex if the woman has been suspected of cheating, or if a couple has been apart.

It could, he said, be down to a sub-conscious desire to rid his partner of any trace of another man's semen.

According to their study, a longer penis would not only have been an advantage for leaving semen in a less accessible part of the vagina, but by filling and expanding the vagina it also would aid and abet the displacement of semen left by other males as a means of maximising the likelihood of paternity.

The study was published in the Journal of Evolutionary Psychology.

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