Every human spent about half an hour as a single cell.
144
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
In one day, adult lungs move about 10,000 litres of air.
11
A human being loses an average of 40 to 100 strands of hair a day.
133
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Gorillas can catch human colds and other illnesses.
205