Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
The human brain is more active during sleep than during the day.
28
It takes 17 muscles to smile, 43 to frown.
65
Enamel is hardest substance in the human body.
61
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
In one day, adult lungs move about 10,000 litres of air.
11
Your heart rate can rise as much as 30% during a yawn.
69
Pain occurs when sounds are above 130 db.
124