Only humans shed emotional tears.
331
Every human spent about half an hour as a single cell.
144
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
One human hair can support 3 ounces.
191
Gorillas can catch human colds and other illnesses.
205
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
On average, there's 100 billion neurons in the human brain.
83