Interesting mysteries of the body of 19 individuals

1. Each ejaculation about 3 to 5 ml, of which over 10 billion sperm. The volume of semen is equivalent to 3%. Semen of 50% to 60% are from the bladder and prostate gland secretions composed of secretions, so the sperm has a special smell.
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2. Bald man strong sexuality is entirely possible. The reason why most men lose their hair, the reason attributed to excessive secretion of male hormone. However, this hormone can also increase a man's sexual performance.
　　
3. Fruits, especially small fruits (eg strawberries) many parasitic bacteria, when the consumption of fruit, it will be swallowed along with bacteria, and water will dilute the acid to make it lose its bactericidal effect.
　　
4. Who eat enough tomatoes, who will be able to prevent sun damage. Because tomatoes contain lycopene, which can greatly reduce the risk of sunburn. Lycopene in tomatoes is only dissolved in the oil, so eat raw tomatoes or drink tomato juice, add a little olive oil should have a sunscreen effect.
　　
5. It sounds really strange, but actually closely related to the myopia and intelligence. That intelligence is much more smart kids at school, which damaged his sight, this argument is untenable stand, because the vision will not read much damage. Myopia high intelligence may be a close relationship with the genetic reasons.
　　
6. The middle finger nails grow faster than the thumb nail. Right-handed person, the right hand nails nails grow faster than the left, while left-handed people the opposite.
　　
7. Smile is the most important muscles under the eyes, cheeks prominent. When smiling, the mouth move up while the teeth exposed. This snow white teeth and lips formed a strong contrast to enhance the signal emitted by a smile. When the laugh powerful, the sphincter around the eyes to the big changes: it will pull to the top of the upper cheek, eye wrinkles to appear. Thus, the entire eye area poets have described as a "shining" and a pleasant feeling. Smiling eyes may appear shiny tear fluid secretion also occurred more reason.
　　
8. Because the lymph circulation decline, the next eyelids relaxation of liquid accumulated within the organization. Other than the facial skin where the skin should be thin 5 to 10 times. This swelling usually subside in the wake up quickly, and before long will be able to return to normal.
　　
9. Women do more vivid dreams than men, more colorful and more emotional. On the contrary, men dream of doing more active, more aggressive and provocative. This may be because more men than women are better at eliminating unpleasant things, and can rationally deal with the problems encountered daily.
　　
10. People use their brains, the brain chemical reactions produced by 10 million times per second. The energy consumed by mental and physical exercise comparable to the energy consumed by the muscles. This is why we think the brain with rapt attention, too, feel like the same tired after physical labor.
　　
11. Sexes the stronger of the hearing? Can not be clearly answered. According to the latest research shows that a woman is easy to distinguish from the silence of the high tone, while men can better identify where sounds come from. Significantly affected by female hormones affect the hearing. During the hearing in the most sensitive female ovulation, and menstruation is a line of men's hearing quite.
　　
12. With age, due to reduction in pigment formation, I do not know to what time, the hair could not have pigment in the provision. Gray hair began to change. When the old year and the accumulation of hair and skin cells, air bubbles appeared in the color of gray hair.
　　
13. People kissing, almost 30 muscles to participate. Scientists believe that kissing is not only can enhance self-confidence, and can promote blood circulation. American scientists through long-term studies have shown: people who frequently kiss love kiss life than those who do not longer, but also to maintain good health and less go to the hospital. This may be due to kissing can promote the body produces large quantities of similar material with the hormone, thereby enhancing the immune system.
　　
14. When the transition from wakefulness to sleep, the brain needs to adjust to the hundreds of millions of neural connections involved in sleep the human body systems: respiratory, blood, digestive, nervous system and muscle tissue. When our thinking and feeling competent brain region has to sleep, and manipulate the motor nerve of the central nervous system is still in the active state, to produce involuntary muscle, dramatically shrink phenomenon.
　　
15. When we breathe, even if we can not consciously aware of, but we really is about alternate nostril breathing. However, alternate nostril breathing time around is the individual.
　　
16. In fact, the skin does not absorb water in the water, but the release of moisture and water. Shrinkage of the whole body is not the reason why we wrinkle, should be attributed to the tiny oil glands, the secretions of our skin to maintain softness, while at the same time make it watertight. The body's hands and feet with fewer sebaceous glands than other parts of the body. Therefore, more water will be soaked hand, foot and the skin becomes wrinkled shrinkage.
　　
17. Sexologist which made the following test: test participants who watch sex video, and a detailed description of their view of the situation, but not the penile erection. The results of these requirements they can not do. None of them can keep an erection long suppressed. This is another proof of the impulse is independent of human will and.
　　
18. Cartilaginous parts of the body continue to sink, so that old people often appear when the nose and ears than the young big.
　　
19. Every time the blink of an eye, tears will be evenly distributed in the eye. This can keep the eye moist. Subsequently, the tears through the nasolacrimal duct into the eyes nose. Sleep at night, we blink less, slower, and also turn a blind eye. Dry eye drops in his eyes on this small knot of durum, which is getting up the morning after we wipe the "gum."