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
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Held in farts enter your bloodstream and are bad for your body.
26
One human hair can support 3 ounces.
191
There's 100 trillion good bacteria living in your body.
17
Your heart will pump about 212 million liters in its lifetime.
26