It takes about 20 seconds for a red blood cell to circle the whole body.
102
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
The world's shortest man measures only 21.5 inches.
73
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
Human hair and fingernails continue to grow after death.
7
It takes approximately 12 hours for food to entirely digest.
93
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23