The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
One human hair can support 3 ounces.
191
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
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
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