You inhale about 700,000 of your own skin flakes each day.
29
Human teeth are almost as hard as rocks!
47
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218