Your body is creating and killing 15 million red blood cells per second.
50
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
Ernest Hemingway survived through anthrax, malaria, pneumonia, dysentery, skin cancer, hepatitis, anemia, diabetes, high blood pressure, two plane crashes, a ruptured kidney, a ruptured spleen, a ruptured liver, a crushed vertebra, a fractured skull, and more.
67
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
Pain occurs when sounds are above 130 db.
124
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
There's 100 trillion good bacteria living in your body.
17