Your thumb is about the same size as your nose.
124
In one day, adult lungs move about 10,000 litres of air.
11
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Enamel is hardest substance in the human body.
61
The human brain doesn't stop developing until about 25 years old.
102
Tigers can see 6 times better at night than humans.
305
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
Every human spent about half an hour as a single cell.
144