On average a woman has 4 sexual partners in her lifetime.
-143
The human body contains over a billion miles of DNA.
147
If your DNA was stretched out it would reach to the moon 6,000 times.
256
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Your thumb is about the same size as your nose.
124
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13