Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
The human brain uses approximately as much energy as a 10 watt light bulb.
120
A human being loses an average of 40 to 100 strands of hair a day.
133
About 400 different kinds of microbes live on and in the human body.
-3
The average person's skin weighs twice as much as their brain.
131
Taphephobia is the fear of being buried alive!
44
In one day, adult lungs move about 10,000 litres of air.
11
A woman's sense of smell is most sensitive during ovulation.
34