Flam

43. Surprisingly, our brain is also 90-95% water. As a rule, he will experience dehydration in the first place, the symptoms are headache and mental exhaustion.
44. In the spine, water serves as a kind of shock absorber and provides its flexibility and elasticity.
45. We will feel thirst already at loss of 1% of water.
46. ​​Losing two percent reduces our physical and mental capacity by 20%.
47. If water loss is close to 10%, visual and auditory hallucinations begin. The phenomenon of mirages in deserts is mainly explained by water loss.

The total weight of bacteria living in the human body is 2 kilograms.
99% of all calcium in the body is in the teeth.
Human lips are hundreds of times more sensitive than fingertips. A real kiss increases the heart rate to 100 beats per minute.
The absolute strength of the masticatory muscles on one side is 195 kilograms.
278 different cultures of bacteria are transmitted from one person to another during a kiss. Fortunately, 95% of them are not dangerous.