The right lung takes in more air than the left.
30
Your skeleton keeps growing until you are about 35, then you start to shrink.
74
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
According to a study conducted by the University of South Carolina, Marijuana can be used to reduce inflammation and treat autoimmune diseases such as arthritis, lupus, colitis, and multiple sclerosis.
25
Human teeth are almost as hard as rocks!
47
Fidgeting can burn about 350 calories a day.
201