A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
If your DNA was stretched out it would reach to the moon 6,000 times.
256
If the human eye was a digital camera, it would have 576 megapixels.
25
Only humans shed emotional tears.
331