A human being loses an average of 40 to 100 strands of hair a day.
133
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
The average person's skin weighs twice as much as their brain.
131
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
The human body contains over a billion miles of DNA.
147
In one day, adult lungs move about 10,000 litres of air.
11
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59