Pain travels through your body at 350 ft. per second.
36
The human brain is more active during sleep than during the day.
28
Your body is creating and killing 15 million red blood cells per second.
50
You inhale about 700,000 of your own skin flakes each day.
29
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
It takes approximately 12 hours for food to entirely digest.
93
Your thumb is about the same size as your nose.
124