Your thumb is about the same size as your nose.
124
Your heart will pump about 212 million liters in its lifetime.
26
There are about 1,400 different species of bacteria in your belly button.
10
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
If your DNA was stretched out it would reach to the moon 6,000 times.
256
