In 1996, research found that having excessive body hair is linked to higher intelligence.
23
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
There are about 1,400 different species of bacteria in your belly button.
10
Your thumb is about the same size as your nose.
124
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The average person's skin weighs twice as much as their brain.
131