About 400 different kinds of microbes live on and in the human body.
-3
You can alleviate a tickly throat by scratching your ear.
9
You mostly breathe from only one nostril at a time!
75
Obsessive nose picking is called Rhinotillexomania.
101
Sex burns about 360 calories per hour.
860
Only 1 person in 2 billion will live to be 116.
49
25% of your bones are located in your feet.
12
The human brain doesn't stop developing until about 25 years old.
102