The human brain doesn't stop developing until about 25 years old.
102
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
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
Obsessive nose picking is called Rhinotillexomania.
101
A man's beard grows fastest when he anticipates sex.
239
A human being loses an average of 40 to 100 strands of hair a day.
133