In one day, adult lungs move about 10,000 litres of air.
11
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
You see your nose at all times, your brain just chooses to ignore it.
30
Your body is creating and killing about 2.4 million red blood cells per second.
17
Your thumb is about the same size as your nose.
124
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89