Unique information

INFORMATION YOU WILL FIND INTERESTING !!!!!
About human body
1 We have 60,000 to 100,000 miles of blood vessels enough to circle the earth
2 The brain even it constitute 2 percent of body weight but uses 20% of body energy
3 Taller in the morning you are actually taller when you wake up then when you go to bed because your spinal disc compresses 4 No self tickling because your brain anticipates the sensation.
5 Brain has 86 billion neurons.
6 Brain is more active usually at night
7 your sweat is actually odorless
8 Octopuses have three hearts and blue blood.
9 Your mouth produces about one litre of saliva each day
10 The average person has 67 different species of bacteria in their belly button