If you hold farts in during the day, they'll just come out when you sleep.
16
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
Your thumb is about the same size as your nose.
124
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
Your body is creating and killing about 2.4 million red blood cells per second.
17