The human body contains over a billion miles of DNA.
147
The average sperm cell swims at 8 inches per hour.
76
Enamel is hardest substance in the human body.
61
The human brain doesn't stop developing until about 25 years old.
102
The human brain uses approximately as much energy as a 10 watt light bulb.
120
The average person's skin weighs twice as much as their brain.
131
Your heart will pump about 212 million liters in its lifetime.
26
Every year your body replaces 98% of your atoms.
119