There are about 1,400 different species of bacteria in your belly button.
10
A person can live without food for about a month, but only about a week without water.
156
Held in farts enter your bloodstream and are bad for your body.
26
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
In 1996, research found that having excessive body hair is linked to higher intelligence.
23

