More people have a phobia of frogs than rats.
41
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
You mostly breathe from only one nostril at a time!
75
When you take a step, you are using up to 200 muscles.
885
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.
22
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130