Only humans shed emotional tears.
331
The human brain uses approximately as much energy as a 10 watt light bulb.
120
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Our Right Lungs takes more air than our left lung.
194
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
A human being loses an average of 40 to 100 strands of hair a day.
133
The largest cell in the human body is the female egg and the smallest is the male sperm.
682