There's 100 trillion good bacteria living in your body.
17
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
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
A person can live without food for about a month, but only about a week without water.
156
Our Right Lungs takes more air than our left lung.
194