Your thumb is about the same size as your nose.
124
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Enamel is hardest substance in the human body.
61
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13