You see your nose at all times, your brain just chooses to ignore it.
30
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Held in farts enter your bloodstream and are bad for your body.
26
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
There's 100 trillion good bacteria living in your body.
17
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
If your DNA was stretched out it would reach to the moon 6,000 times.
256