There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
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
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Held in farts enter your bloodstream and are bad for your body.
26
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
The human sigh acts as a physiological reset button.
23
The average sperm cell swims at 8 inches per hour.
76