Enamel is hardest substance in the human body.
61
Your thumb is about the same size as your nose.
124
Our Right Lungs takes more air than our left lung.
194
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Poor eyesight (myopia) is associated with higher IQ.
232
One human hair can support 3 ounces.
191
The human brain doesn't stop developing until about 25 years old.
102