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Mechanics of male orgasm

During intercourse, as a man nears orgasm, his pelvic thrusts become less voluntary and more automatic, and the muscles of the penis begin to contract rhythmically in order to eject semen from the urethra. When an orgasm begins, heart rate, blood pressure, and respiration all increase. The orgasm marks the final stage of the arousal response in men. Ejaculatory standard This is the general type of orgasm that many men experience every time they have sex. There is literally no control over pelvic thrusting or when you reach this orgasm unless you work to control it.
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Erection Ejaculation: How It Occurs

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Orgasms: Facts, types, causes, and misconceptions

The male orgasm is a complex experience. The major function of the male orgasm is to ejaculate sperm, although not all men will ejaculate during an orgasm. Beyond delivering pleasure, the role of the female orgasm is less clear, although it may help move the sperm closer toward the ovum egg. In the s, Alfred Kinsey, the first scientist to study human sexuality in detail, described the orgasm as "an explosive discharge of neuromuscular tension. The hormone testosterone, produced in the testicles, plays a central role by enhancing the sexual desire libido that leads to arousal, erection, and ultimately orgasm.
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Everything you need to know about orgasms

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Ejaculation is the discharge of semen normally containing sperm from the male reproductory tract , usually accompanied by orgasm. It is the final stage and natural objective of male sexual stimulation , and 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". Anejaculation is the condition of being unable to ejaculate.
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