Enamel is hardest substance in the human body.
61
The human brain doesn't stop developing until about 25 years old.
102
One human hair can support 3 ounces.
191
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Our Right Lungs takes more air than our left lung.
194
Your thumb is about the same size as your nose.
124
Yawns are more contagious among people with closer relationships.
163
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266