Sexual arousal in men
Researchers have identified four phases of sexual response in men and women: lust, the height of excitement, euphoria and relaxation.
Phase 1: arousal or excitement
Erection occurs when a man's physical or psychological stimulation, or both. That leads to more blood flow to the spongy three areas (called groups) which are located along the penis. Skin flexible and stainless movement, allowing his penis to grow. It becomes the scrotum has a (skin sac that holds the testicles) more narrow, so his testicles are placed toward the body.
Stage 2: the height of excitement
Expanding the glans (head) of the penis and are filled with the blood vessels in and around the penis with blood. This leads to a blackout color and growth of the testicles to become larger by 50%.
His testicles continue to grow, with a warm feeling about the perineum (the area between the anus and testicles). Increase his heart rate, blood pressure rises, accelerates breathing, becomes his thighs and buttocks tight. Where close to orgasm.
Phase 3: orgasm and ejaculation
Pay a series of contractions sperm into the urethra (the tube that comes out of it both urine and semen from the penis). These contractions occur in the pelvic floor muscles, in the vas deferens (the tube that carries sperm from the testicles to the penis), as well as in the seminal vesicles and prostate gland, which adds to their respective liquid sperm. This is called a mix of sperm (5%) and liquids (95%) sperm.
These contractions are part of orgasm, and the man up to the point where he can not prevent ejaculation from happening. Leads contractions in the prostate gland and pelvic floor muscles to
ejaculation, when semen pushes of the penis.
Phase 4: relax
The man is now in the recovery phase, when the penis and testicles back to its normal size, speed and breathing heavily, his heart beating fast, as it might sweats.
There is a period of time after ejaculation which have access to other trance is not possible to happen. It varies between men, from a few minutes to a few hours or even days. Time becomes longer generally as a man ages.
If the excitement occurred when the man without access to ejaculation, Ststgerv relaxation phase longer, has hurt him and his testicles basin.
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