The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
A sneeze can travel as fast as 100 miles per hour.
43
If you cut a 'V' shape into your toe nails, you can prevent 'in-grown' toe nails.
22
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
Fidgeting can burn about 350 calories a day.
201
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
Your ribs move about 5 million times a year, every time you breathe!
60
Redheads require more anesthesia to 'go under' than other hair colors do.
50