Held in farts enter your bloodstream and are bad for your body.
26
The human sigh acts as a physiological reset button.
23
The average sperm cell swims at 8 inches per hour.
76
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
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
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