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
The human brain is insensitive to pain.
76
The human heart creates enough pressure to squirt blood 30 ft.
37
Your body is creating and killing 15 million red blood cells per second.
50
Dentists have recommended that a toothbrush be kept at least 6 feet away from a toilet to avoid airborne particles resulting from the flush.
104
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
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