Held in farts enter your bloodstream and are bad for your body.
26
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
You see your nose at all times, your brain just chooses to ignore it.
30
The average sperm cell swims at 8 inches per hour.
76
In one day, adult lungs move about 10,000 litres of air.
11