In one day, adult lungs move about 10,000 litres of air.
11
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
The human brain doesn't stop developing until about 25 years old.
102
Enamel is hardest substance in the human body.
61
The world's shortest man measures only 21.5 inches.
73
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
The human eye blinks an average of 4,200,000 times a year.
233