When you take a step, you are using up to 200 muscles.
886
A toothbrush within 6 feet of a toilet can get airborne bacteria from flushing.
15
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The average sperm cell swims at 8 inches per hour.
4
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
India used to be the richest country in the world until the British invasion in the early 17th Century.
37
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
