Your body is creating and killing 15 million red blood cells per second.
50
Your heart rate can rise as much as 30% during a yawn.
69
When a person dies, hearing is usually the last sense to go.
124
Human hair and fingernails continue to grow after death.
7
Dieters who sleep more take off more fat that those who sleep less.
159
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
The tongue is the strongest muscle in the human body.
50