knowledge sense learning

Friends, I made the video in Bengali. I explained exactly what I said in the video in English.
Today I will tell you some information about people that many may know and many may not know.

1. One-fourth of the human body consists of bones.
2. If one had never cut one's hair in one's life, it would have been 625 km long.
3. A man can never hold his nose and hum. You can try.
4. The brain transmits sensations to the nerves at a speed of 264 km / h.
5. The length of human nerves is 45 kilometers.
6. Even if the smell is dry, it is possible to lose weight !! The smell of apples and bananas or weight loss.
7. The acid formed in the stomach can dissolve up to iron.
8. It is possible to light a 10 watt bulb with the electricity that we have in our brain.
9. Every second 100,000 chemical reactions take place in our brain.
10. There is only one animal in the world that can sleep on its back - just human.
11. Dental enamel is the hardest substance in the human body.
12. There are more bacteria in the mouth of a human being than there are people in this world.
13. Laughter triggers 18 facial muscles, while crying activates 43 muscles, so laugh more.