Every human spent about half an hour as a single cell.
144
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
A person can live without food for about a month, but only about a week without water.
156
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
By weight, Bone is five times stronger than steel.
417