Your thumb is about the same size as your nose.
124
Your heart rate can rise as much as 30% during a yawn.
69
A sneeze can travel as fast as 100 miles per hour.
43
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Your ears secrete more earwax when you are afraid than when you aren't.
235
Midgets and dwarfs almost always have normal sized children.
54
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44