The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
One human hair can support 3 ounces.
191
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Our Right Lungs takes more air than our left lung.
194
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The human body contains over a billion miles of DNA.
147
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