If the human eye was a digital camera, it would have 576 megapixels.
25
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
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
It takes approximately 12 hours for food to entirely digest.
93
A human being loses an average of 40 to 100 strands of hair a day.
133
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
The human brain uses approximately as much energy as a 10 watt light bulb.
120