The right lung takes in more air than the left.
30
The average human body contains enough iron to make a small nail.
50
While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
The tongue is the strongest muscle in the human body.
50
Only 1% of bacteria cause disease in humans!
2
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Banging your head against a wall uses 150 calories an hour.
57
Your hair grows faster in the morning than at any other time of day.
91