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Sperm war wife pussy cervix

Cervix , lowest region of the uterus ; it attaches the uterus to the vagina and provides a passage between the vaginal cavity and the uterine cavity. The cervix, only about 4 centimetres 1. The cervical opening into the vagina is called the external os ; the cavity running the length of the cervix is the endocervical canal; the opening of the endocervical canal into the uterine cavity, the internal os. The endocervical canal transports sperm into the uterine cavity, allows the escape of blood from the uterus during menstruation , and supplies mucus a thick lubricating protein to the female reproductive tract. During childbirth the canal is greatly stretched see parturition.
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Do Sperm Battle Other Sperm?

Sperm war wife pussy cervix
Sperm war wife pussy cervix
Sperm war wife pussy cervix
Sperm war wife pussy cervix
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The idea that sperm race to the egg is just another macho myth | Aeon Essays

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I'll have what she's having: delving into the theories behind the female orgasm

One reason is that sperm, when they arrive in the uterus, face a bombardment by the immune system. Perhaps, says molecular anthropologist Pascal Gagneux, many are needed so that some will survive. On the other hand, there may be a benefit to culling so many sperm.
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Verified by Psychology Today. For years, scientists have been debating the function of female orgasm. Nowthey've finally figured it out. For women, the psychology of sexual satisfaction turns out to be much more sophisticated than most male scientists have been willing to concede.
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