Every year your body replaces 98% of your atoms.
119
Your thumb is about the same size as your nose.
124
When you take a step, you are using up to 200 muscles.
886
Chewing gum boosts your brain power.
285
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
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92