Only humans shed emotional tears.
331
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Pain occurs when sounds are above 130 db.
124
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
A human being loses an average of 40 to 100 strands of hair a day.
133
The human brain uses approximately as much energy as a 10 watt light bulb.
120
The human eye blinks an average of 4,200,000 times a year.
233