Fidgeting can burn about 350 calories a day.
201
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Your body is creating and killing 15 million red blood cells per second!
14
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
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
Your skin is actually an organ.
88