There are about 1,400 different species of bacteria in your belly button.
10
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Your thumb is about the same size as your nose.
124