Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
About 400 different kinds of microbes live on and in the human body.
-3
The lense of the eye continues to grow throughout a person's life.
34
Redheads require more anesthesia to 'go under' than other hair colors do.
50
The lifespan of a tastebud is ten days.
130
35,000 people in the U.S. will die from the flu annually.
6
More people have a phobia of frogs than rats.
41