The average person's skin weighs twice as much as their brain.
131
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Your thumb is about the same size as your nose.
124
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 human brain uses approximately as much energy as a 10 watt light bulb.
120
There are about 1,400 different species of bacteria in your belly button.
10