The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
There are about 1,400 different species of bacteria in your belly button.
10
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
If you hold farts in during the day, they'll just come out when you sleep.
16
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
The average person's skin weighs twice as much as their brain.
131