Interesting facts about the lips

Lips are truly universal. They participate in eating, talking, smiling and, of course, a kiss. But something interesting about this beautiful and expressive body, many of us still did not know. Like what:

1. The thickness of the skin of the lips - four times less than the rest of the skin on the body - all 3-5 layers of the epidermis. With age, the upper layer of the skin becomes even thinner.
2. The lips are very sensitive, many times more than the pads of the fingers. That is why the lips touching the forehead will reliably report temperature, than, for example, the applied palm.
3. On the lips is a huge set of reflex points. That is why a passionate kiss can increase the heart rate to 100 beats per minute.
4. Residents of African tribes specially stretch their lips, inserting metal plates into them. This symbolizes humility and obedience to her husband.
5. Women who use make-up cosmetics for lip make-up, for a lifetime use from 2 to 5 kg of shine or lipstick.
6. About 10 percent of women who decide on cosmetic plastic surgery want to change their shape of the lips so that they look like the lips of the famous Lara Croft.
7. Kiss on the lips not only gives pleasure and cheers, but also improves blood circulation, activates the lungs, and burns calories. Three minutes of kissing are equal to a 10-minute run or a two-hour walk.
8. A kiss on the lips stimulates the production in the blood of endorphin and oxytocin, the hormones of joy and pleasure.
9. During the smile, we use 15 labial muscles.
10. The glands that are on the border of the lips and the internal mouth, during the kiss, begin an active release into the body of substances that cause sexual desire.
11. With age, the lips of a person become a bit wider, and the upper lip extends to the height.
12. The plump lips of the Hollywood film star Marilyn Monroe are just a visual illusion. In fact, the actress spent a lot of time every day, "drawing" their attractive shape on her face.
13. Lips - the first part of the female body, which draws the attention of most men. After that, the legs, chest and other charms follow.
14. In domestic clinics of plastic surgery daily make 10-15 injections of Botox on the lips.
15. Thin lips, basically, can be inherited on the paternal line, and plump lips - on the maternal.
16. Herpes is an unpleasant sore that appears on the lips - contrary to popular belief - not a cold, but a real viral infection, the same as the flu and ARVI.
17. In addition to people, kissing the lips among animals also exists in horses, chimpanzees and porcupines.