In one day, adult lungs move about 10,000 litres of air.
11
The human sigh acts as a physiological reset button.
23
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
All 13 minerals necessary for human life can be found in alcohol beverages.
282
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
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
Enamel is hardest substance in the human body.
61