The average person's skin weighs twice as much as their brain.
131
Your thumb is about the same size as your nose.
124
Yawns are more contagious among people with closer relationships.
163
Chewing gum boosts your brain power.
285
The human brain uses approximately as much energy as a 10 watt light bulb.
120
The human brain doesn't stop developing until about 25 years old.
102
Your body is creating and killing about 2.4 million red blood cells per second.
17
If your DNA was stretched out it would reach to the moon 6,000 times.
256