Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
There are about 1,400 different species of bacteria in your belly button.
10
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Your body is creating and killing about 2.4 million red blood cells per second.
17
Your heart will pump about 212 million liters in its lifetime.
26
In one day, adult lungs move about 10,000 litres of air.
11