In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
The average person's skin weighs twice as much as their brain.
131
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
There's 100 trillion good bacteria living in your body.
17