There's 100 trillion good bacteria living in your body.
17
The average person's skin weighs twice as much as their brain.
131
Banging your head against a wall uses 150 calories an hour.
57
Pain travels through the body at 350 feet per second!
23
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Phobatrivaphobia is fear of trivia about phobias.
39
Your heart pumps about 2,000 gallons of blood each day!
53
