If you hold farts in during the day, they'll just come out when you sleep.
16
You see your nose at all times, your brain just chooses to ignore it.
30
Within three days of death, the enzymes that once digested your food begin to eat you.
22
The average sperm cell swims at 8 inches per hour.
76
The human sigh acts as a physiological reset button.
23
Your body is creating and killing about 2.4 million red blood cells per second.
17