The average sperm cell swims at 8 inches per hour.
4
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
One human hair can support 3 ounces.
191
A person can live without food for about a month, but only about a week without water.
156
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
The world's shortest man measures only 21.5 inches.
73
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127