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.
269
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Held in farts enter your bloodstream and are bad for your body.
26
A person can live without food for about a month, but only about a week without water.
156
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
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