In the average lifetime a person will breath in about 44 pounds of dust.
21
One quarter of the bones in your body are in your feet!
36
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
The lifespan of a tastebud is ten days.
130
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
There's 100 trillion good bacteria living in your body.
17

