In one day, adult lungs move about 10,000 litres of air.
11
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127