Understand the physiological function of your penis

Understand the physiological function of your penis Erection of the penis is an instinct of human beings, sometimes not determined by your will, but caused by a series of reflex activities. Normally, when a man has sexual arousal, the penis erects, and the penis returns to a weak state after the sexual impulse subsides. Under physiological conditions, penile erections can occur in children from one or two age to the elderly. The teenager are in puberty, and the erection of the penis is more frequent. It has been known that the erection and weakness of the penis is related to its anatomy and physiological function.

When teenagers enter puberty, their sexual arousal and sexual desire will develop because of the awakening of sexual consciousness and the initiation of sexual psychology. If you have some sexual stimulation in life, such as heterosexual love, see the film or book description about love story, sleep do the erotic dream, and tights for genital friction, all these will cause penile erection. All this is not a morbid state, but a normal phenomenon. Some people may also occur penile erection during sleep, however, the frequency and time of penile erection vary with age. The teenagers’ average night erectile are 6 times, each time the erection duration is about 20-30 minutes. The young adults on average every 1-1.5 hours erection once. After middle age, the number of penis erection will be reduced. And the healthy over 65 year old man, every night there can still be several erection. Just because these erections happen in sleep, they even don’t know it at all. Whether or not the penis is erect during sleep is a reliable indicator of the penis performance. If there is in sleep, indicating normal sexual function, even suffering with impotence, it is psychogenic type impotence. When there is no penile erectile during sleep, that is highly possible organic impotence, which can be caused by diabetes, nerve injury or vascular obstruction and other reasons.

Why man will have penis erection during the night sleeping?

Our internal organs are controlled by sympathetic and parasympathetic nerves, and the sex organs are the same. The erection of the penis is controlled by the parasympathetic nerve of the sacral cord and the erection of the penis will happen when the parasympathetic nerve is excited.

Both sympathetic and parasympathetic nerves have some tension, which is weak and continuous excitement, and they rival each other like a seesaw. When the sympathetic nerve is excited, the parasympathetic nerve is relatively inhibited. Due to the various stimulation from environment during the day time, sympathetic nerve accounted for the relative advantage; and in the quiet night and sleep condition, especially in paradoxical sleep, parasympathetic nerve is dominant, there will be male penis erection and female genital congestion phenomenon.

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