A human being loses an average of 40 to 100 strands of hair a day.
133
Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14
You mostly breathe from only one nostril at a time!
75
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Obsessive nose picking is called Rhinotillexomania.
101
The human sigh acts as a physiological reset button.
23
The average sperm cell swims at 8 inches per hour.
4
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55