Your body is creating and killing about 2.4 million red blood cells per second.
17
Yawns are more contagious among people with closer relationships.
163
When you take a step, you are using up to 200 muscles.
886
The average person's skin weighs twice as much as their brain.
131
Enamel is hardest substance in the human body.
61
Every year your body replaces 98% of your atoms.
119
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
If your DNA was stretched out it would reach to the moon 6,000 times.
256