A sneeze can travel as fast as 100 miles per hour.
43
Your hair grows faster in the morning than at any other time of day.
91
Fidgeting can burn about 350 calories a day.
201
Every hour one billion cells in the body must be replaced.
17
The human body contains over a billion miles of DNA.
147
More people have a phobia of frogs than rats.
41
The average sperm cell swims at 8 inches per hour.
4
