You inhale about 700,000 of your own skin flakes each day.
29
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
The human brain is more active during sleep than during the day.
28
A fetus develops fingerprints at eighteen weeks!
32
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Your ears secrete more earwax when you are afraid than when you aren't.
235

