A human being loses an average of 40 to 100 strands of hair a day.
133
On average, there's 100 billion neurons in the human brain.
83
Every human spent about half an hour as a single cell.
144
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Enamel is hardest substance in the human body.
61
The human brain doesn't stop developing until about 25 years old.
102