It takes about 20 seconds for a red blood cell to circle the whole body.
102
Human hair and fingernails continue to grow after death.
7
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
In one day, adult lungs move about 10,000 litres of air.
11
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Gorillas can catch human colds and other illnesses.
205
Every human spent about half an hour as a single cell.
144