You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
The human body contains over a billion miles of DNA.
147
You see your nose at all times, your brain just chooses to ignore it.
30
There are about 1,400 different species of bacteria in your belly button.
10
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Your thumb is about the same size as your nose.
124