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
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
160
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
If the human eye was a digital camera, it would have 576 megapixels.
25
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
One human hair can support 3 ounces.
191