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
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
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
A person can live without food for about a month, but only about a week without water.
156
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12