Pain occurs when sounds are above 130 db.
124
The human body contains over a billion miles of DNA.
147
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
The tongue is the strongest muscle in the human body.
50
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
Your skeleton keeps growing until you are about 35, then you start to shrink.
74
Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70