How to eject sperm

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Source: Youtube. Of course, it varies between men naturally and because of certain circumstances — but science has prevailed and tested the average amount. This Oakland University study gets into the nitty gritty of it:.

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Delayed ejaculation is a medical condition in which a male cannot ejaculate. It may occur either during intercourse or by manual stimulation with or without a partner. Ejaculation is when semen is released from the penis.

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Chickens have their own battle of the sexes, and scientists have discovered a secret strategy used by hens to control who fertilizes their eggs: After mating, hens can eject the sperm of less desirable, low-status roosters. A new study has shown that, during an average ejection, a hen jettisons 80 percent of the sperm a rooster deposits in her reproductive tract. This has a huge impact on the competition among males fighting to father her future chicks, according to study researcher Tommaso Pizzari, an evolutionary biologist and university lecturer at Oxford University in the United Kingdom.

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Ejaculation is the discharge of semen normally containing sperm from the male reproductory tractusually accompanied by orgasm. It is the final stage and natural objective of male sexual stimulationand an essential component of natural conception. In rare cases, ejaculation occurs because of prostatic disease. Ejaculation may also occur spontaneously during sleep a nocturnal emission or "wet dream".

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Ejaculationthe release of sperm cells and seminal plasma from the male reproductive system. Ejaculation takes place in two phases: in the first, or emission, stage, sperm are moved from the testes and the epididymis where the sperm are stored to the beginning of the urethraa hollow tube running through the penis that transports either sperm or urine; in the second stage, ejaculation proper, the semen is moved through the urethra and expelled from the body. Sperm cells that are stored in the male body are not capable of self-movement because of the acidity of the accompanying fluids.

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Read on to find out where that number came from, how ejaculation affects your prostate cancer risk, what happens to your sperm, and more. The article details the results of a study of 31, men published in the December issue of European Urology. The study in question relied on self-reported answers — once in and once in — about how often they ejaculated each month and whether they developed prostate cancer.

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Ejaculation is the typical culmination for the male during self-stimulation or partner play. How it occurs, what makes up semenand how it is produced are common questions. Learn the facts about ejaculate.

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Ejaculation may feel like a glorious mess, as uncontrollable as an avalanche or a runaway train. Ejaculation is the endpoint of a process that begins with a touch. Skin covering the shaft and glans of the penis is filled with nerve endings sensitive to pressure and vibration.

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By Pete Wilton, Oxford University. This female counter-measure has also been found in worms, insects, and even primates. They also ejected a larger proportion of the sperm of socially subordinate males, giving more dominant males an advantage.

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