If you are cold you are more likely to be hungry because you use energy to keep warm.
144
The human brain doesn't stop developing until about 25 years old.
102
Your body is creating and killing about 2.4 million red blood cells per second.
17
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
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
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32