Every year your body replaces 98% of your atoms.
119
The human brain has the capacity to store everything that you experience.
4k
The average person's skin weighs twice as much as their brain.
131
The average sperm cell swims at 8 inches per hour.
76
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
Enamel is hardest substance in the human body.
61
Your heart will pump about 212 million liters in its lifetime.
26
One human hair can support 3 ounces.
191