Human thigh bones are stronger than concrete!
63
One out of 20 people have an extra rib.
66
In one day, adult lungs move about 10,000 litres of air.
11
Enamel is hardest substance in the human body.
61
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
Panophobia is the fear of everything.
52
We blink 25 times a minute.
51