If you hold farts in during the day, they'll just come out when you sleep.
16
The human sigh acts as a physiological reset button.
23
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Your heart will pump about 212 million liters in its lifetime.
26
A human being loses an average of 40 to 100 strands of hair a day.
133
There's 100 trillion good bacteria living in your body.
17