If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Within three days of death, the enzymes that once digested your food begin to eat you.
22
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
Your body is creating and killing about 2.4 million red blood cells per second.
17
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21