Your body is creating and killing about 2.4 million red blood cells per second.
17
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
One quarter of the human brain is used to control the eyes.
43
Most lipstick contains fish scales.
37