If you hold farts in during the day, they'll just come out when you sleep.
16
There's 100 trillion good bacteria living in your body.
17
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Your body is creating and killing about 2.4 million red blood cells per second.
17
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Held in farts enter your bloodstream and are bad for your body.
26
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
