The average sperm cell swims at 8 inches per hour.
76
A human being loses an average of 40 to 100 strands of hair a day.
133
Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
The human brain is insensitive to pain.
76
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165