The human body contains over a billion miles of DNA.
147
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
You forget 90% of your dreams.
256
Your heart will pump about 212 million liters in its lifetime.
26
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Your thumb is about the same size as your nose.
124
Yawns are more contagious among people with closer relationships.
163