The average person's skin weighs twice as much as their brain.
131
When you take a step, you are using up to 200 muscles.
886
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
Your heart will pump about 212 million liters in its lifetime.
26
If your DNA was stretched out it would reach to the moon 6,000 times.
256