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Having magic changes in the body duirng sex

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Nervous system is the main body of internal skill regulation system, each organ system in the nervous system in the body under the unified regulation of complete different function, to adapt to the change of environment in vivo and in vitro, maintaining normal life activities.The nervous system to achieve its regulating function is the basic way of reflection events.Hand, for example, felt the KaiShuiHu come back right away, we call this process reflection, reflection events of complete requires neural pathways, neural pathways can also be called a reflex arc, reflex arc is composed of sensors, afferent nerve, central, efferent nerve, effector of five parts, such as in the example above, the hand skin is receptors, touch the water to produce hot feeling, this feeling arrive afferent nerve ganglia, the cerebral cortex, issue from the command center, knife through efferent nerve of effector - arm muscle, muscle contraction, hand will shrink back.Although this process involves five parts, but because of nerve conduction is very fast, so it is a continuous motion is almost done in a flash., of course, this is a simple reflex activity, sexual activity because it is need to mobilize the whole body many reflex activity regardless of participation, so its process is much more complex, but the basic reason is the same.Regulate visceral activity neural mechanism always called position the nervous system, includes both sympathetic and parasympathetic nerve.Most organs the sympathetic and parasympathetic innervation double, and two types of nerve in the same organs is often the opposite.Parasympathetic nerve excitement, for example, can make the bladder detrusor contraction, bladder sphincter, and thus contribute to urinate.While the sympathetic nerve excitement when the bladder detrusor is flabby, bladder sphincter contraction, inhibition of micturition.Control plant has two levels of central nervous activity, spinal cord with adjustment of the primary central plant sex function.Some of the most basic reflection of activity in the human body can be done within a center in the spinal cord, such as vascular tension reflex, sweating reflex, micturition reflex, defecation reflex, erectile reflex, etc.The human brain is the senior center of the regulating function of plant.Higher animals if senior central damage, the function of the movement of the body will be severely affected, the function will be affected by a certain plant, lost the ability to fine adjustment.The beginning of the 20th century, Pavlov, through the method of scientific experiments, founded the theory of higher nervous activity.The basic way of higher nervous activity is mainly conditioned, it is one of the advanced skills of brain.Conditioning is acquired in the process of individual development.Human sexual activity by the regulation of plant nerve, penile erection and ejaculation, vaginal constriction, vaginal leakage liquid increase, the pelvic muscles involuntary contraction absorption and a series of changes.These activities are the primary central of the spinal cord and brain, a senior central dual control.Animals of sexual activity is a kind of conditioned reflex, when hormone change, produce heat phenomena, such as heterosexual, immediately mating action happens.But both sexual activity for the first signal system, also have the effect of the second signal system.People not only under the stimulation of specific image of the opposite sex after will produce sexual excitement, and after receiving text abstraction stimulus such as sexual response.On the other hand, the human brain has a strong inhibitory effect on sexual activity, although human sexual impulse and not transformation initiative actions immediately.Masturbation and make the penis erect, does not need through the brain, which belongs to the primary central - the control of the spinal cord reflex activity;After the erectile tissue of the vision of the stimulation of the body such as senior center must be through the brain.In the neural regulation of sexual activity, there is also a difference between men and women: the male sexual activity in the second signal system seems to be more than women, for all kinds of signals have strong reaction, but women need to accept a caress - pure physical contact, can achieve sexual excitement. www.noahpills.com




Continuous ejaculation of physiological processes

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Q: I just married, with husband make love, I often can be in after reaching an orgasm, if can continue to make love to reach orgasm, 1-2 times that he can continuously ejaculation?Or shot after a short time he won't shoot again?Professor ma: male orgasm and along with the fast fading process after ejaculation, especially genital engorgement fading fast.Sexual stimulation to stop after the testicles descend to in situ, such as to restore the original size.Muscle tension relaxation process for about 5 minutes.Biggest difference between the sexes is the male has a refractory period, i.e. after orgasm for a period of time can't sexual arousal, that is not immediately again an erection.The length of the refractory period because people, age, some young people just a few minutes to erect again, others still cannot restore normalcy after hours of reaction.Many men under the age of 30, has the ability of frequent ejaculation, the issue of the refractory period is very short.However this kind of phenomenon rarely seen after the age of 30.Progressive decrease with each ejaculation, semen volume, many times after ejaculation likely no semen shot.The male sexual psychological physiological resistance is growing to sexual stimulation.According to the physiological point of view, there is no data to indicate a healthy men after repeated ejaculation what will left the pain of the body.Therefore, the idea that masturbation or sex ejaculation, will damage to the sports training in the man's body condition is unfounded.According to the physiology.Male orgasm is manifested through the small vessels and muscle tension of whole body, its performance is changing.It is worth noting that the male ejaculation reaction often draw the attention from the dedicated, so as to make it tend to fade.Ejaculation physiological process of two phases can be specific to orgasm, and experience in the development of subjective feeling.First stage: man "upcoming" feel ejaculation moment just a moment before ejaculation physical the first stage.In this kind of feeling after 2 seconds to start really fine.That is to say, is likely to be ball urethra expansion, the accumulation of the seminal fluid composition in the prostatic urethra causes the perception of proprioceptive and cause this feeling of ejaculation is inevitable.The second stage: in ejaculation process in the second stage (the semen from the urethra prostate department is pushed to the urethra), men's subjective feeling and two phases: the first stage is felt urethral sphincter rhythmic contraction again and again.This kind of feeling from beginning to discharge end discharge process.On the degree of the strength of the subjective feeling of this kind of contract is different, the first two or three times contraction is powerful, then gradually slow, weak, finally can not shot, but flow out.The second phase is ejaculation with euphoria.After the euphoria at the beginning of the subjective feeling of intense has dropped significantly.The second phase of the euphoria contains judgment of semen volume.Discharge the greater the volume of semen, accompanied by the euphoria is stronger.If the abstinence for a long time for the first time after ejaculation and at the end of the refractory period just after the fade soon for the second time, in comparison with the feeling of ejaculation can distinguish their differences.With one-off activities, if a man has two or three times ejaculation, he can understand the first ejaculation can gain greater pleasure (part of the reason is the effect of semen volume).The subjective understanding and women on the contrary, women tend to think the last boom more satisfactory and full of pleasure.Should be stressed that, along with the progress of the process of ejaculation, the first phase of the feeling of contraction and the second phase of the sense of semen volume is integrated.Contractive feeling often dominant, because it is there from the start, and persist in the second stage.Two male orgasm in the second stage of the process of subjective and women in the second stage two shrinkage and regular tremor of subjective feeling, can be directly controlled.With female orgasm can experience by external mental stimulation interference on the contrary, male orgasm once after a contraction of organ, no longer can control and delay, can only put the semen net.Stimulation again strong, also cannot block the occurrence of this process.





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