You see your nose at all times, your brain just chooses to ignore it.
30
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
There are about 1,400 different species of bacteria in your belly button.
10
In one day, adult lungs move about 10,000 litres of air.
11
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
