It takes approximately 12 hours for food to entirely digest.
93
The human eye blinks an average of 4,200,000 times a year.
233
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
One human hair can support 3 ounces.
191
All 13 minerals necessary for human life can be found in alcohol beverages.
282
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515